CVE-2021-38498
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. 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-2021-38498
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-38498.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.