Integer overflow in Libav
CVE-2016-9821
Integer overflow in libavcodec/mpegvideo_parser.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via a crafted file.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Libav — versions 11.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/94732 (vdb-entry)
- www.debian.org/security/2017/dsa-3833 (vendor-advisory)
- blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behav… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-9821?
- CVE-2016-9821 is a medium-severity vulnerability in Libav, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2017-03-01.
- How severe is CVE-2016-9821?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2016-9821 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.