CVE-2026-33144

MEDIUM

5.8

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.15.8

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H

Vetor de ataqueLOCAL

ComplexidadeHIGH

Privilegios necessariosNONE

Interacao do usuarioREQUIRED

Publicado3/20/2026

Ultima modificacao3/23/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-787

Referencias

https://github.com/gpac/gpac/commit/86b0e36ea4c71402fbdaf7e13d73ba8841003e72(security-advisories@github.com)

https://github.com/gpac/gpac/security/advisories/GHSA-3jw5-9pmw-vmfg(security-advisories@github.com)

https://github.com/gpac/gpac/security/advisories/GHSA-3jw5-9pmw-vmfg(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlacoes IOC

Sem correlacoes registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.