Vulnerabilities > CVE-2020-15678 - Use After Free vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://www.mozilla.org/security/advisories/mfsa2020-42/
- https://www.mozilla.org/security/advisories/mfsa2020-43/
- https://www.mozilla.org/security/advisories/mfsa2020-44/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1660211
- https://www.debian.org/security/2020/dsa-4770
- https://lists.debian.org/debian-lts-announce/2020/10/msg00020.html
- https://security.gentoo.org/glsa/202010-02
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html