Fedora 39 update for firefox
| Risk | Critical |
| Patch available | YES |
| Number of vulnerabilities | 4 |
| CVE-ID | CVE-2023-5129 CVE-2023-4863 CVE-2023-5169 CVE-2023-5171 CVE-2023-44488 CVE-2023-5217 |
| CWE-ID | CWE-122 CWE-787 CWE-416 |
| Exploitation vector | Network |
| Public exploit |
Vulnerability #1 is being exploited in the wild. Vulnerability #4 is being exploited in the wild. |
| Vulnerable software Subscribe |
Fedora Operating systems & Components / Operating system firefox Operating systems & Components / Operating system package or component |
| Vendor | Fedoraproject |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
1) Heap-based buffer overflow
EUVDB-ID: #VU80637
Risk: Critical
CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2023-5129,CVE-2023-4863
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing WebP images within libwebp library. A remote attacker can trick the victim to visit a malicious website, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system. The vulnerability affects all modern browsers that support WebP image processing.
Note, the vulnerability is being actively exploited in the wild.
Install updates from vendor's repository.
Vulnerable software versionsFedora: 39
firefox: before 118.0.1-4.fc39
External linkshttp://bodhi.fedoraproject.org/updates/FEDORA-2023-bbb8d72c6f
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.
2) Out-of-bounds write
EUVDB-ID: #VU81126
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-2023-5169
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in PathOps. A remote attacker can create a specially crafted website, trick the victim into opening, trigger an out-of-bounds write and execute arbitrary code on the target system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsFedora: 39
firefox: before 118.0.1-4.fc39
External linkshttp://bodhi.fedoraproject.org/updates/FEDORA-2023-bbb8d72c6f
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Use-after-free
EUVDB-ID: #VU81127
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-2023-5171
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 during Ion compilation. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a use after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsFedora: 39
firefox: before 118.0.1-4.fc39
External linkshttp://bodhi.fedoraproject.org/updates/FEDORA-2023-bbb8d72c6f
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Heap-based buffer overflow
EUVDB-ID: #VU81244
Risk: Critical
CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2023-44488,CVE-2023-5217
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in vp8 encoding in libvpx. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Note, the vulnerability is being actively exploited in the wild.
Install updates from vendor's repository.
Vulnerable software versionsFedora: 39
firefox: before 118.0.1-4.fc39
External linkshttp://bodhi.fedoraproject.org/updates/FEDORA-2023-bbb8d72c6f
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.
