Integer overflow in Gpac

CVE-2021-30022

There is a integer overflow in media_tools/av_parsers.c in the gf_avc_read_pps_bs_internal in GPAC from 0.5.2 to 1.0.1. pps_id may be a negative number, so it will not return. However, avc->pps only has 255 unit, so there is an overflow, which results a crash.

Vulnerability class: Integer Overflow

EPSS: 0.011 (61.4th 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
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-30022?
CVE-2021-30022 is a medium-severity vulnerability in Gpac, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2021-04-19.
How severe is CVE-2021-30022?
Medium severity. CVSS v3 base score is 5.5 out of 10.