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CVE record · CVE-2026-33144

GPAC MP4Box Heap Buffer Overflow Write in gf_xml_parse_bit_sequence_bs (NHML BS Parsing)

CVSS 5.8 MediumEPSS 0.0017 · 6th percentile

Published by the CVE Program (CNA: GitHub_M) at 20 Mar 2026, 20:07 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
gpac gpac
  • affected < 86b0e36ea4c71402fbdaf7e13d73ba8841003e72
Identifiers
CVE-2026-33144
CNA
GitHub_M
Weakness (CWE)
CWE-787
Tags
Published
20 Mar 2026
Updated
20 Mar 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.8 Medium 3.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0017, the 6th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 20 Mar 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.