Buffer overflow in Gpac
CVE-2021-30020
In the function gf_hevc_read_pps_bs_internal function in media_tools/av_parsers.c in GPAC 1.0.1 there is a loop, which with crafted file, pps->num_tile_columns may be larger than sizeof(pps->column_width), which results in a heap overflow in the loop.
Vulnerability class: Buffer Overflow
EPSS: 0.009 (56.4th 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 — versions 1.0.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-30020?
- CVE-2021-30020 is a medium-severity vulnerability in Gpac, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2021-04-19.
- How severe is CVE-2021-30020?
- Medium severity. CVSS v3 base score is 5.5 out of 10.