Buffer overflow in Gpac

CVE-2021-40942

In GPAC MP4Box v1.1.0, there is a heap-buffer-overflow in the function filter_parse_dyn_args function in filter_core/filter.c:1454, as demonstrated by GPAC. This can cause a denial of service (DOS).

Vulnerability class: Buffer Overflow

EPSS: 0.006 (46.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

  • Gpac — versions 1.1.0
  • N/a — versions n/a

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-40942?
CVE-2021-40942 is a medium-severity vulnerability in Gpac, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2022-06-27.
How severe is CVE-2021-40942?
Medium severity. CVSS v3 base score is 5.5 out of 10.