The GetHintFormat function in GPAC 1.0.1 allows attackers to cause a denial of service via a crafted file in the MP4Box command.

published 2022-06-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-27784

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

Patch / fix

fixed in 1 distros 1 links 1

gpac gpac 2.0.0

gpac Debian 11 1.0.1+dfsg1-4+deb11u2

debian advisories DEBIAN-CVE-2021-40609

github.com/gpac/gpac/issues/1894 advisory

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/gpac/gpac/issues/1894 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-770 Allocation of Resources Without Limits or Throttling

References

github.com /gpac/gpac/issues/1894
exploit, issue-tracking, patch, third-party-advisory
debian.org /security/2023/dsa-5411
vendor-advisory

Sources

CVE List CVE-2021-40609
NVD CVE-2021-40609

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