All errata/c11f1/ALT-PU-2026-14634-5
ALT-PU-2026-14634-5

Package update 7-zip in branch c11f1

Version26.02-alt1
Published2026-10-14
Max severityHIGH
Severity:

Closed issues (2)

BDU:2026-10443
HIGH7.0

Уязвимость функции MixCoder_Code() компонента XZ Decoder архиватора 7-Zip, позволяющая нарушителю выполнить произвольный код

Published: 2026-07-23Modified: 2026-10-07
CVSS 3.xHIGH 7.0
CVSS:3.x/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0MEDIUM 6.2
CVSS:2.0/AV:L/AC:H/Au:N/C:C/I:C/A:C
CVE-2026-14266
HIGH7.8

7-Zip XZ Decompression Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of XZ chunked data. Crafted XZ-compressed data can trigger an overflow of a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-30169.

Published: 2026-07-29Modified: 2026-08-07
CVSS 3.xHIGH 7.8
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H