Buffer overflow in Gpac
CVE-2021-40568
A buffer overflow vulnerability exists in Gpac through 1.0.1 via a malformed MP4 file in the svc_parse_slice function in av_parsers.c, which allows attackers to cause a denial of service, even code execution and escalation of privileges.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.013 (69.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/gpac/gpac/issues/1900 (Exploit, Third Party Advisory, Issue Tracking)
- github.com/gpac/gpac/commit/f1ae01d745200a258cdf62622f71754c37cb6c30 (Patch, Third Party Advisory)
- www.debian.org/security/2023/dsa-5411 (vendor-advisory)
Frequently asked questions
- What is CVE-2021-40568?
- CVE-2021-40568 is a high-severity vulnerability in Gpac, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2022-01-13.
- How severe is CVE-2021-40568?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-40568 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.