CVE-2021-23981
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-23981
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-23981.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 78.9.0-1 | |
| sles | affected | | |
| debian | sid | fixed | 87.0-1 |
| debian | bookworm | fixed | 78.9.0esr-1 |
| debian | bullseye | fixed | 78.9.0esr-1 |
| debian | forky | fixed | 78.9.0esr-1 |
| debian | trixie | fixed | 78.9.0esr-1 |
References
Verify integrity in audit chain (admin only). AS-IS.