CVE-2022-26485

high

Description

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.

References

https://www.mandiant.com/resources/blog/zero-days-exploited-2022

https://www.tenable.com/cyber-exposure/tenable-2022-threat-landscape-report

https://www.mozilla.org/en-US/security/advisories/mfsa2022-09/

https://www.mozilla.org/security/advisories/mfsa2022-09/

https://bugzilla.mozilla.org/show_bug.cgi?id=1758062

Details

Source: Mitre, NVD

Published: 2022-12-22

Updated: 2022-12-30

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High