All errata/sisyphus/ALT-PU-2026-5924-4
ALT-PU-2026-5924-4

Package update palemoon in branch sisyphus

Version34.2.0-alt1
Task#414507
Published2026-04-22
Max severityCRITICAL
Severity:

Closed issues (4)

BDU:2026-04813
CRITICAL9.6

Уязвимость компонента XPCOM браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird, позволяющая нарушителю оказать воздействие на конфиденциальность, целостность и доступность защищаемой информации

Published: 2026-04-08Modified: 2026-04-27
CVSS 3.xCRITICAL 9.6
CVSS:3.x/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS 2.0CRITICAL 10.0
CVSS:2.0/AV:N/AC:L/Au:N/C:C/I:C/A:C
References
CVE-2026-4690
HIGH8.6

Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Published: 2026-03-24Modified: 2026-04-13
CVSS 3.xHIGH 8.6
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
References
CVE-2026-4707
HIGH7.5

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Published: 2026-03-24Modified: 2026-04-13
CVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References