CVE-2026-33144

MEDIUM

5.8

Descripcion

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.

Detalles CVE

Puntuacion CVSS v3.15.8

SeveridadMEDIUM

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

Vector de ataqueLOCAL

ComplejidadHIGH

Privilegios requeridosNONE

Interaccion usuarioREQUIRED

Publicado3/20/2026

Ultima modificacion3/23/2026

Fuentenvd

Avistamientos honeypot0

Debilidades (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)

Correlaciones IOC

Sin correlaciones registradas

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