Vulnerability in Ffmpeg
CVE-2017-14056
In libavformat/rl2.c in FFmpeg 3.3.3, a DoS in rl2_read_header() due to lack of an EOF (End of File) check might cause huge CPU and memory consumption. When a crafted RL2 file, which claims a large "frame_count" field in the header but does not contain sufficient backing data, is provided, the loops (for offset and size tables) would consume huge CPU and memory resources, since there is no EOF check inside these loops.
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 (77.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.9% 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 3.3.3
Weakness classification (CWE)
References
- github.com/FFmpeg/FFmpeg/commit/96f24d1bee7fe7bac08e2b7c74db1a046c9dc0de (Patch, Third Party Advisory)
- www.securityfocus.com/bid/100628 (vdb-entry)
- lists.debian.org/debian-lts-announce/2019/01/msg00006.html (mailing-list)
- www.debian.org/security/2017/dsa-3996 (vendor-advisory)
Frequently asked questions
- What is CVE-2017-14056?
- CVE-2017-14056 is a medium-severity vulnerability in Ffmpeg, classified under Excessive Iteration. CVSS score: 6.5/10. Published 2017-08-31.
- How severe is CVE-2017-14056?
- Medium severity. CVSS v3 base score is 6.5 out of 10.