Risk | High |
Patch available | YES |
Number of vulnerabilities | 18 |
CVE-ID | CVE-2021-37965 CVE-2021-37972 CVE-2021-37971 CVE-2021-37970 CVE-2021-37969 CVE-2021-37968 CVE-2021-37967 CVE-2021-37966 CVE-2021-37964 CVE-2021-37963 CVE-2021-37962 CVE-2021-37961 CVE-2021-37960 CVE-2021-37959 CVE-2021-37958 CVE-2021-37957 CVE-2021-37956 CVE-2021-4318 |
CWE-ID | CWE-358 CWE-125 CWE-451 CWE-416 CWE-310 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Google Chrome Client/Desktop applications / Web browsers |
Vendor |
Security Bulletin
This security bulletin contains information about 18 vulnerabilities.
EUVDB-ID: #VU56782
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37965
CWE-ID:
CWE-358 - Improperly Implemented Security Check for Standard
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Background Fetch API in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1239709
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37965
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56789
Risk: Low
CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37972
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when processing images within the libjpeg-turbo library. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1234259
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37972
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56788
Risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37971
CWE-ID:
CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in Web Browser UI in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1219354
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37971
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56787
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37970
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within File System API in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1248030
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37970
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56786
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37969
CWE-ID:
CWE-358 - Improperly Implemented Security Check for Standard
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Google Updater in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1245879
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37969
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56785
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37968
CWE-ID:
CWE-358 - Improperly Implemented Security Check for Standard
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Background Fetch API in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1245053
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37968
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56784
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37967
CWE-ID:
CWE-358 - Improperly Implemented Security Check for Standard
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Background Fetch API in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1243622
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37967
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56783
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37966
CWE-ID:
CWE-358 - Improperly Implemented Security Check for Standard
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Compositing in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1238944
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37966
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56781
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37964
CWE-ID:
CWE-358 - Improperly Implemented Security Check for Standard
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in ChromeOS Networking in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1203612
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37964
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56780
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37963
CWE-ID:
CWE-310 - Cryptographic Issues
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to side-channel information leak in DevTools. Chrome Medium. A remote attacker can create a specially crafted web page, trick the victim into opening it and gain access to sensitive information.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1199865
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37963
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56779
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37962
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within Performance Manager in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1231933
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37962
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56778
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37961
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within Tab Strip in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1228557
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37961
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56777
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37960
CWE-ID:
CWE-358 - Improperly Implemented Security Check for Standard
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to incorrect implementation in Blink graphics in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1247196
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37960
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56776
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37959
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Task Manager component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1229625
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37959
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56775
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37958
CWE-ID:
CWE-358 - Improperly Implemented Security Check for Standard
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to incorrect implementation in Navigation in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1223290
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37958
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56774
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37957
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the WebGPU component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1242269
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37957
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU56771
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37956
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Offline use component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsGoogle Chrome: 7.0.517.41 - 93.0.4577.82
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1243117
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37956
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU79610
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-4318
CWE-ID:
CWE-358 - Improperly Implemented Security Check for Standard
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to incorrect implementation in Navigation in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.
MitigationUpdate to version 94.0.4606.54.
Vulnerable software versionsGoogle Chrome: before 94.0.4606.54
External linkshttp://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1237730
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.