CVE-2021-29989
Description
Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. 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 < 78.13, Firefox ESR < 78.13, and Firefox < 91.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:3155
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:3157
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-29989
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-29989.html
Vendor advisory: arch — https://security.archlinux.org/ASA-202108-14
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 78.13.0-1 | |
| sles | affected | | |
| debian | sid | fixed | 91.0-1 |
| debian | bookworm | fixed | 78.13.0esr-1 |
| debian | bullseye | fixed | 78.13.0esr-1~deb11u1 |
| debian | forky | fixed | 78.13.0esr-1 |
| debian | trixie | fixed | 78.13.0esr-1 |
| rocky | 8 | fixed | |
References
Verify integrity in audit chain (admin only). AS-IS.