CVE-2022-26485
thunderbird - security update
8.8
HIGH
CVSS 3.1
⚠ KEVEPSS 2.9%
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.
How to fix CVE-2022-26485
To remediate CVE-2022-26485, upgrade the affected package to a fixed version below.
- —upgrade to 91.6.1esr-1~deb11u1 or later
- —upgrade to 91.6.1esr-1~deb9u1 or later
- —upgrade to 91.6.1esr-1~deb10u1 or later
- —upgrade to 1:91.6.2-1~deb11u1 or later
- —upgrade to 1:91.6.2-1~deb9u1 or later
- —upgrade to 1:91.6.2-1~deb10u1 or later
Is CVE-2022-26485 being exploited?
Yes — CVE-2022-26485 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (6)
- from 0, < 91.6.1esr-1~deb11u1
- from 0, < 91.6.1esr-1~deb9u1
- from 0, < 91.6.1esr-1~deb10u1
- from 0, < 1:91.6.2-1~deb11u1
- from 0, < 1:91.6.2-1~deb9u1
- from 0, < 1:91.6.2-1~deb10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |