GPAC MP4Box dmx_m2ts.c m2tsdmx_on_event null pointer dereference

published 2024-06-17 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-47221

cvss: 3.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits: 0; none known

A vulnerability was found in GPAC 2.5-DEV-rev228-g11067ea92-master. It has been classified as problematic. This affects the function m2tsdmx_on_event of the file src/filters/dmx_m2ts.c of the component MP4Box. The manipulation leads to null pointer dereference. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The patch is named 8767ed0a77c4b02287db3723e92c2169f67c85d5. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-268791.

Patch / fix

links 1

github.com/gpac/gpac@8767ed0 commit

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-06-18)

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/user-attachments/files/15801157/poc.zip referenced PoC, tagged "exploit" by a source, unverified
github.com https://github.com/gpac/gpac/issues/2873 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CNA	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CNA	3.0	3.3	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CNA	2.0	1.7	AV:L/AC:L/Au:S/C:N/I:N/A:P
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

n/a GPAC
gpac gpac

Classification

Weakness

CWE-476 NULL Pointer Dereference

References

github.com /gpac/gpac/commit/8767ed0a77c4b02287db3723e92c2169f67c85d5
patch
github.com /user-attachments/files/15801157/poc.zip
broken-link, exploit
github.com /gpac/gpac/issues/2873
issue-tracking, exploit, third-party-advisory
vuldb.com /?id.268791
vdb-entry, technical-description, permissions-required
vuldb.com /?ctiid.268791
signature, permissions-required
vuldb.com /?submit.356315
third-party-advisory

Sources

CVE List CVE-2024-6063
NVD CVE-2024-6063

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