NULL pointer dereference in Ffmpeg
CVE-2019-11338
libavcodec/hevcdec.c in FFmpeg 3.4 and 4.1.2 mishandles detection of duplicate first slices, which allows remote attackers to cause a denial of service (NULL pointer dereference and out-of-array access) or possibly have unspecified other impact via crafted HEVC data.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Ffmpeg — versions 3.4, 4.1.2
- Novell SUSE Package Hub For Linux Enterprise — versions 12
- Canonical Ubuntu Linux — versions 16.04, 18.04, 18.10
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/FFmpeg/FFmpeg/commit/54655623a82632e7624714d7b2a3e039dc5faa7e (Patch, Third Party Advisory)
- www.securityfocus.com/bid/108034 (vdb-entry, Broken Link)
- usn.ubuntu.com/3967-1/ (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2019/May/60 (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2019/dsa-4449 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/05/msg00043.html (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-01/msg00012.html (vendor-advisory, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4431-1/ (vendor-advisory, Third Party Advisory)
- github.com/FFmpeg/FFmpeg/commit/9ccc633068c6fe76989f487c8932bd11886ad65b (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-11338?
- CVE-2019-11338 is a high-severity vulnerability in Ffmpeg, classified under NULL Pointer Dereference. CVSS score: 8.8/10. Published 2019-04-19.
- How severe is CVE-2019-11338?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-11338 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.