CVE-2026-54240

libde265 , an open-source H.265/HEVC video codec library, is affected by a signed integer overflow in its pixel accessor. Versions prior to 1.1.1 use signed 32-bit arithmetic to compute pixel offsets; a crafted HEVC stream with large image dimensions can overflow this value, causing out-of-bounds...

Microsoft Windows Media Player HEVC Stream Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Windows Media Player. 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...

Microsoft Windows Media Player HEVC Stream Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Windows Media Player. 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...