5.8
Medium
CVE-2026-33144 GPAC is an open-source multimedia framework
Description
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 gf_xml_parse_bit_sequence_bs function in utils/xml_bin_custom.c when processing a crafted NHML file containing malicious <BS> (BitSequence) elements. An attacker can exploit this by providing a specially crafted NHML file, causing an out-of-bounds write on the heap. This issue has been via commit 86b0e36.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| gpac | Versions not published |
Other CVEs of gpac
The 24 CVEs of gpac →
CVE-2026-124031
GPAC through 26.07.0 Type Confusion via drawable_get_aspect_2d_mpeg4
6.8
Medium
CVE-2026-124030
GPAC through 26.07.0 Type Confusion via gf_sg_command_apply XMT Field-Replace
6.8
Medium
CVE-2026-27821
GPAC is an open-source multimedia framework
7.7
High
CVE-2023-4679
A use after free vulnerability exists in GPAC version 2.3-DEV-revrelease, specifically in the gf_filterpacket_del…
5.9
Medium