Vulnerability identifier: #VU67788
Vulnerability 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:
CWE-ID:
CWE-125
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
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
Description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary condition when decoding H264 video. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger an out-of-bounds read error and execute arbitrary code on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 90.0 - 104.0.2
Firefox ESR: 102.0 - 102.2.0, 91.0 - 91.13.0
Firefox for Android: 90.1.0 - 104.2.0
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2022-40/
http://www.mozilla.org/en-US/security/advisories/mfsa2022-41/
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.