CVE-2020-15678
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
When recursing through graphical layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free. This occurs because the function APZCTreeManager::ComputeClippedCompositionBounds did not follow iterator invalidation rules. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-15678
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-15678.html
Vendor advisory: arch — https://security.archlinux.org/ASA-202009-10
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 81.0-1 | |
| sles | affected | | |
| debian | sid | fixed | 81.0-1 |
| debian | bookworm | fixed | 78.3.0esr-1 |
| debian | bullseye | fixed | 78.3.0esr-1 |
| debian | forky | fixed | 78.3.0esr-1 |
| debian | trixie | fixed | 78.3.0esr-1 |
References
Verify integrity in audit chain (admin only). AS-IS.