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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (63.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/gpac/gpac/issues/1720 (Exploit, Third Party Advisory)
- github.com/gpac/gpac/commit/51cdb67ff7c5f1242ac58c5aa603ceaf1793b788 (Patch, Third Party Advisory)
- github.com/gpac/gpac/blob/v0.5.2/src/media_tools/av_parsers.c (Product)
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.