CVE-2021-38501
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:3755
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:3838
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-38501
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-38501.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 91.2.0-1 | |
| sles | affected | | |
| debian | sid | fixed | 93.0-1 |
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | trixie | fixed | 0 |
| rocky | 8 | fixed | |
References
Verify integrity in audit chain (admin only). AS-IS.