CVE-2021-32268 json
Buffer overflow vulnerability in function gf_fprintf in os_file.c in gpac before 1.0.1 allows attackers to execute arbitrary code.
published 2021-09-20 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19123
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
Buffer overflow vulnerability in function gf_fprintf in os_file.c in gpac before 1.0.1 allows attackers to execute arbitrary code. The fixed version is 1.0.1.
Patch / fix
- gpac gpac 1.0.1
- gpac Debian 11 1.0.1+dfsg1-2
debian advisories DEBIAN-CVE-2021-32268
- gpac Arch Linux 1:1.0.1-1
arch linux advisories AVG-1856
- github.com/gpac/gpac@388ecce commit
- github.com/gpac/gpac/issues/1587 advisory
Exploit prediction
1.26% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/gpac/gpac/issues/1587 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
github.com
/gpac/gpac/commit/388ecce75d05e11fc8496aa4857b91245007d26e
patch, third-party-advisory
-
github.com
/gpac/gpac/issues/1587
exploit, issue-tracking, patch, third-party-advisory
Sources
- CVE List CVE-2021-32268
- NVD CVE-2021-32268
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.