Out-of-bounds Read in Ffmpeg
CVE-2017-17081
The gmc_mmx function in libavcodec/x86/mpegvideodsp.c in FFmpeg 2.3 and 3.4 does not properly validate widths and heights, which allows remote attackers to cause a denial of service (integer signedness error and out-of-array read) via a crafted MPEG file.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Ffmpeg — versions 3.4
Weakness classification (CWE)
References
- lists.ffmpeg.org/pipermail/ffmpeg-devel/2017-November/219748.html (Patch, Issue Tracking)
- bugs.chromium.org/p/oss-fuzz/issues/detail (Issue Tracking)
- github.com/FFmpeg/FFmpeg/commit/58cf31cee7a456057f337b3102a03206d833d5e8 (Patch, Vendor Advisory)
- www.debian.org/security/2018/dsa-4099 (vendor-advisory)
- github.com/FFmpeg/FFmpeg/commit/27f8d386829689c346ff0cef00d3af57b9fb8903
Frequently asked questions
- What is CVE-2017-17081?
- CVE-2017-17081 is a medium-severity vulnerability in Ffmpeg, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2017-11-30.
- How severe is CVE-2017-17081?
- Medium severity. CVSS v3 base score is 6.5 out of 10.