NULL pointer dereference in Libav
CVE-2016-7477
The ff_put_pixels8_xy2_mmx function in rnd_template.c in Libav 11.7 allows remote attackers to cause a denial of service (invalid memory access and crash) via a crafted mp3 file. NOTE: this issue was originally reported as involving a NULL pointer dereference.
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: 0.017 (76.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Libav — versions 11.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- blogs.gentoo.org/ago/2016/09/20/libav-null-pointer-dereference-in-ff_put_pixels… (VDB Entry, Third Party Advisory)
- www.securityfocus.com/bid/93042 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2016/09/21/6 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-7477?
- CVE-2016-7477 is a medium-severity vulnerability in Libav, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2017-02-15.
- How severe is CVE-2016-7477?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2016-7477 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.