VULNERABILITY INTELLIGENCE
CVE-2020-15678
CVSS score8.8 HIGH
EPSS probability1.88%
CISA KEVNot currently listed
Published2020-10-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-416
Primary references
- security@mozilla.org — Broken Link, Mailing List, Third Party Advisory
- security@mozilla.org — Broken Link, Mailing List, Third Party Advisory
- security@mozilla.org — Issue Tracking, Permissions Required, Vendor Advisory
- security@mozilla.org — Mailing List, Third Party Advisory
- security@mozilla.org — Third Party Advisory
- security@mozilla.org — Third Party Advisory
- security@mozilla.org — Release Notes, Vendor Advisory
- security@mozilla.org — Release Notes, Vendor Advisory
- security@mozilla.org — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Permissions Required, Vendor Advisory