CVE-2021-29964
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-29964
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 89.0-1 | |
| debian | sid | fixed | 0 |
| 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.