Hello, Vulnerability fix in 7zip 26.02 update was now disclosed as ZDI-26-444 and CVE-2026-14266.
* https://www.zerodayinitiative.com/advisories/ZDI-26-444/ > Vulnerability Details > 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. > > Additional Details > Fixed in 7-Zip 26.02 -- YOKOTA Hiroshi
