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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 999 | all | firefox | < 81.0-1 | firefox_81.0-1_all.deb |
Debian | 12 | all | firefox-esr | < 78.3.0esr-1 | firefox-esr_78.3.0esr-1_all.deb |
Debian | 11 | all | firefox-esr | < 78.3.0esr-1 | firefox-esr_78.3.0esr-1_all.deb |
Debian | 10 | all | firefox-esr | < 78.3.0esr-1~deb10u1 | firefox-esr_78.3.0esr-1~deb10u1_all.deb |
Debian | 999 | all | firefox-esr | < 78.3.0esr-1 | firefox-esr_78.3.0esr-1_all.deb |
Debian | 13 | all | firefox-esr | < 78.3.0esr-1 | firefox-esr_78.3.0esr-1_all.deb |
Debian | 12 | all | thunderbird | < 1:78.3.1-1 | thunderbird_1:78.3.1-1_all.deb |
Debian | 11 | all | thunderbird | < 1:78.3.1-1 | thunderbird_1:78.3.1-1_all.deb |
Debian | 10 | all | thunderbird | < 1:78.3.1-2~deb10u2 | thunderbird_1:78.3.1-2~deb10u2_all.deb |
Debian | 999 | all | thunderbird | < 1:78.3.1-1 | thunderbird_1:78.3.1-1_all.deb |