Buffer overflow in Libav
CVE-2016-6832
Heap-based buffer overflow in the ff_audio_resample function in resample.c in libav before 11.4 allows remote attackers to cause a denial of service (crash) via vectors related to buffer resizing.
Vulnerability class: Buffer 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: 0.016 (74.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- blogs.gentoo.org/ago/2016/08/07/libav-heap-based-buffer-overflow-in-ff_audio_re… (Exploit, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/08/18/1 (mailing-list, Exploit, Patch, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/08/13/1 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- git.libav.org/
- bugzilla.libav.org/show_bug.cgi (Exploit, Patch, VDB Entry, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2016-6832?
- CVE-2016-6832 is a medium-severity vulnerability in Libav, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2017-02-15.
- How severe is CVE-2016-6832?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2016-6832 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.