In the adts_dmx_process function in filters/reframe_adts.c in GPAC 1.0.1, a crafted file may cause ctx->hdr.frame_size to be smaller than c…

published 2021-04-19 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-16963

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits: 0; none known

In the adts_dmx_process function in filters/reframe_adts.c in GPAC 1.0.1, a crafted file may cause ctx->hdr.frame_size to be smaller than ctx->hdr.hdr_size, resulting in size to be a negative number and a heap overflow in the memcpy.

Patch / fix

distros 1 links 1

gpac Debian 11 1.0.1+dfsg1-4

debian advisories DEBIAN-CVE-2021-30019

github.com/gpac/gpac@22774aa commit

Exploit prediction

0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/gpac/gpac/issues/1723 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

CWE-787 Out-of-bounds Write

References

github.com /gpac/gpac/commit/22774aa9e62f586319c8f107f5bae950fed900bc
patch, third-party-advisory
github.com /gpac/gpac/issues/1723
exploit, third-party-advisory

Sources

CVE List CVE-2021-30019
NVD CVE-2021-30019

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