CVE-2021-40607 json
The schm_box_size 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-2021-27782
- 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 50%
- public exploits
- 0
- none known
Summary
The schm_box_size function in GPAC 1.0.1 allows attackers to cause a denial of service via a crafted file in the MP4Box command.
Patch / fix
Exploit prediction
0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/gpac/gpac/issues/1879 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/1879
exploit, issue-tracking, patch, third-party-advisory
Sources
- CVE List CVE-2021-40607
- NVD CVE-2021-40607
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.