CVE-2022-29917
9.8
CRITICAL
CVSS 3.1
EPSS 0.34%
Description
Mozilla developers Andrew McCreight, Gabriele Svelto, Tom Ritter and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 99 and Firefox ESR 91.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.
How to fix CVE-2022-29917
To remediate CVE-2022-29917, upgrade the affected package to a fixed version below.
- —upgrade to 91.9.0esr-1~deb11u1 or later
- —upgrade to 1:91.9.0-1~deb11u1 or later
Is CVE-2022-29917 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 91.9.0esr-1~deb11u1
- from 0, < 1:91.9.0-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |