CVE-2021-29982
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-29982
Vendor advisory: arch — https://security.archlinux.org/ASA-202108-14
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 91.1.0-1 | |
| debian | sid | fixed | 91.0-1 |
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | trixie | fixed | 0 |
References
Verify integrity in audit chain (admin only). AS-IS.