mp4v2 v2.0.0 was discovered to contain a heap buffer overflow via the MP4GetVideoProfileLevel function at /src/mp4.cpp.

published 2023-04-14 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-33125

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-29584 updated 2025-11-21

libmp4v2: Heap buffer overflow

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 21 mo ago (2025-02-06)

Exploit prediction

0.84% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/enzo1982/mp4v2/issues/30 referenced PoC, tagged "exploit" by a source, unverified
github.com https://github.com/z1r00/fuzz_vuln/blob/main/mp4v2/heap-buffer-overflow/MP4GetVideoProfileLevel/readme.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

Weakness

CWE-787 Out-of-bounds Write

References

github.com /enzo1982/mp4v2/issues/30
exploit, issue-tracking, third-party-advisory
github.com /z1r00/fuzz_vuln/blob/main/mp4v2/heap-buffer-overflow/MP4GetVideoProfileLevel/readme.md
exploit, third-party-advisory

Sources

CVE List CVE-2023-29584
NVD CVE-2023-29584

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary