CVE-2021-40566 json
A Segmentation fault casued by heap use after free vulnerability exists in Gpac through 1.0.1 via the mpgviddmx_process function in reframe…
published 2022-01-12 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-27741
- 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 59%
- public exploits
- 0
- none known
Summary
A Segmentation fault casued by heap use after free vulnerability exists in Gpac through 1.0.1 via the mpgviddmx_process function in reframe_mpgvid.c when using mp4box, which causes a denial of service.
Patch / fix
- gpac Debian 11 1.0.1+dfsg1-4+deb11u2
debian advisories DEBIAN-CVE-2021-40566
- github.com/gpac/gpac@96047e0 commit
Exploit prediction
0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
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-416 Use After Free
References
-
github.com
/gpac/gpac/commit/96047e0e6166407c40cc19f4e94fb35cd7624391
patch, third-party-advisory
-
debian.org
/security/2023/dsa-5411
vendor-advisory
-
github.com
/gpac/gpac/issues/1887
third-party-advisory
Sources
- CVE List CVE-2021-40566
- NVD CVE-2021-40566
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.