CVE-2021-29970
Description
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:2743
Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2021:2883
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-29970
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-29970.html
Vendor advisory: arch — https://security.archlinux.org/ASA-202107-20
Vendor advisory: arch — https://security.archlinux.org/ASA-202107-21
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 78.12.0-1 | |
| sles | affected | | |
| debian | sid | fixed | 90.0-1 |
| debian | bookworm | fixed | 78.12.0esr-1 |
| debian | bullseye | fixed | 78.12.0esr-1 |
| debian | forky | fixed | 78.12.0esr-1 |
| debian | trixie | fixed | 78.12.0esr-1 |
| rocky | 8 | fixed | |
References
Verify integrity in audit chain (admin only). AS-IS.