Out-of-bounds Write

Overview Affected versions of this package are vulnerable to Out-of-bounds Write in the vfquirc filter. An attacker can corrupt heap memory and potentially execute arbitrary code by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions, where the second presentation has large...

CVE-2026-66041

FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vfquirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions. Attackers can provide a subtitle file whose seco...

CVE-2026-66038 FFmpeg LCL/ZLIB Video Decoder Information Disclosure via lcldec.c

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...

JLSEC-2026-376

A heap overflow vulnerability exists in libvpx - Encoding a frame that has larger dimensions than the originally configured size with VP9 may result in a heap overflow in libvpx. We recommend upgrading to version 1.13.1 or above...

libvpx: Heap buffer overflow related to VP9 encoding

A flaw was found in libvpx. Encoding a frame with larger dimensions than the original configured size with VP9 may result in a heap overflow...