CVE-2026-33144

GPAC is an open-source multimedia framework. Prior to commit 86b0e36, a heap-based buffer overflow write vulnerability was discovered in GPAC MP4Box. The vulnerability exists in the gfxmlparsebitsequencebs function in utils/xmlbincustom.c when processing a crafted NHML file containing malicious...

PT-2026-4718

A vulnerability was identified in GPAC up to 2.4.0. Affected is the function gf media export webvtt metadata of the file src/media tools/media export.c. The manipulation of the argument Name leads to null pointer dereference. The attack must be carried out locally. The exploit is publicly availab...

GPAC MP4Box 安全漏洞

GPAC MP4Box is multimedia packager. It is mainly used to work with ISOBMF files e.g. MP4, 3GP but can also be used to import/export media from container files such as AVI, MPG, MKV, MPEG-2 TS. A security vulnerability exists in GPAC MP4Box version 2.1-DEV-rev617-g85ce76efd, which stems from a...