CVE-2022-26485

high-risk
Published 2022-12-22

Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. 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.

Do I need to act?

~
7.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (5)

Firefox Focus

Affected Vendors

Mozilla

References (5)

Exploit https://bugzilla.mozilla.org/show_bug.cgi?id=1758062
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2022-09/
Exploit https://bugzilla.mozilla.org/show_bug.cgi?id=1758062
Vendor Advisory https://www.mozilla.org/security/advisories/mfsa2022-09/
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-...
58
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 16/34 · Moderate
Exposure 12/34 · Low