FFmpeg LCL/ZLIB Decoder Disclosure

The vulnerability of the LCL/ZLIB video decoder in the FFmpeg multimedia library is related to the use of an uninitialized resource. Exploiting this vulnerability could allow a malicious actor to disclose protected information...

SUSE SLES15: libavcodec58_134 / libavformat58_76 / libavutil56_70 / etc (SUSE-SU-2026:3529-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3529-1 advisory. Update to release 4.4.8. - CVE-2026-8461: out-of-bounds write in the MagicYUV decoder can lead to denial of service or remote code...

CVE-2026-66038

FFmpeg through 8.1.2, fixed in commit 8670835, contains an information disclosure vulnerability in the LCL/ZLIB video decoder that allows attackers to expose uninitialized heap memory by supplying a valid zlib stream that inflates to fewer bytes than the expected frame size. The zlibdecomp functi...

CVE-2026-66038: Use of Uninitialized Resource

FFmpeg through 8.1.2, fixed in commit 8670835, contains an information disclosure vulnerability in the LCL/ZLIB video decoder that allows attackers to expose uninitialized heap memory by supplying a valid zlib stream that inflates to fewer bytes than the expected frame size. The zlibdecomp functi...