Remote code execution in Mozilla Firefox
| Risk | Critical |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2022-26485 CVE-2022-26486 |
| CWE-ID | CWE-416 |
| Exploitation vector | Network |
| Public exploit |
Vulnerability #1 is being exploited in the wild. Vulnerability #2 is being exploited in the wild. |
| Vulnerable software Subscribe |
Mozilla Firefox Client/Desktop applications / Web browsers Firefox ESR Client/Desktop applications / Web browsers Firefox for Android Mobile applications / Apps for mobile phones |
| Vendor | Mozilla |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Use-after-free
EUVDB-ID: #VU61032
Risk: Critical
CVSSv3.1:
CVE-ID: CVE-2022-26485
CWE-ID:
Exploit availability:
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing XSLT parameter. A remote attacker can trick the victim to open a specially crafted web page, 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.
Note, the vulnerability is being actively exploited in the wild.
Install updates from vendor's website.
Vulnerable software versionsMozilla Firefox: 9.0.1 - 97.0.1
Firefox ESR: 78.0 - 91.6.0
Firefox for Android: 79.0.0 - 97.2.0
Fixed software versionsCPE2.3 External links
http://www.mozilla.org/en-US/security/advisories/mfsa2022-09/
Q & A
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?
2) Use-after-free
EUVDB-ID: #VU61033
Risk: Critical
CVSSv3.1:
CVE-ID: CVE-2022-26486
CWE-ID:
Exploit availability:
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing messages in the WebGPU IPC framework. A remote attacker can trick the victim to open a specially crafted web page, 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.
Note, the vulnerability is being actively exploited in the wild.
Install updates from vendor's website.
Vulnerable software versionsMozilla Firefox: 9.0.1 - 97.0.1
Firefox ESR: 78.0 - 91.6.0
Firefox for Android: 79.0.0 - 97.2.0
Fixed software versionsCPE2.3 External links
http://www.mozilla.org/en-US/security/advisories/mfsa2022-09/
Q & A
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?
