PT-2026-26668 · Gpac · Gpac

Xuemian168 · Published 2026-03-20 · Updated 2026-03-21 · CVE-2026-33144

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions GPAC versions prior to commit 86b0e36

Description GPAC is an open-source multimedia framework. A heap-based buffer overflow (write) issue exists in GPAC MP4Box within the gf xml parse bit sequence bs function in utils/xml bin custom.c when processing a crafted NHML file containing malicious (BitSequence) elements. An attacker can exploit this by providing a specially crafted NHML file, causing an out-of-bounds write on the heap.

Recommendations Update GPAC to commit 86b0e36 or later.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2026-33144

GHSA-3JW5-9PMW-VMFG

Affected Products

Gpac

References · 12

• 🔥 https://github.com/gpac/gpac/security/advisories/GHSA-3jw5-9pmw-vmfg · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33144.json · Exploit
• https://github.com/gpac/gpac/commit/86b0e36ea4c71402fbdaf7e13d73ba8841003e72 · Patch
• https://security-tracker.debian.org/tracker/CVE-2026-33144 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-33144 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-33144 · Security Note
• https://osv.dev/vulnerability/CVE-2026-33144 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-33144 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-33144 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-33144 · Vendor Advisory
• https://twitter.com/CVEnew/status/2035262159421050924 · Twitter Post
• https://twitter.com/infoflowcloud/status/2035262862243852407 · Twitter Post