CVE-2020-26972
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that they are not attempting to use a dead actor they have a reference to. Such a check was omitted in WebGL, resulting in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 84.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-26972
Vendor advisory: arch — https://security.archlinux.org/ASA-202012-25
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 84.0-1 | |
| debian | sid | fixed | 84.0-1 |
References
Verify integrity in audit chain (admin only). AS-IS.