CVE-2022-26486: Mozilla Firefox Use-After-Free Vulnerability
Critical · CVSS 9.6 (CVSS 3.1)KEV known exploitedEPSS 2.4%, 84th percentilePublished Updated Assigner: mozilla
In CISA’s Known Exploited Vulnerabilities catalog: Mozilla Firefox Use-After-Free Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
Description
An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Mozilla: FirefoxMozilla: Firefox ESRMozilla: Firefox for AndroidMozilla: FocusMozilla: Thunderbird
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- bugzilla.mozilla.org/show_bug.cgi (opens in new tab)
- www.mozilla.org/security/advisories/mfsa2022-09/ (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)