CVE-2019-11338

Description

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.32% Top 25%
Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/FFmpeg/FFmpeg/commit/54655623a82632e7624714d7b2a3e039dc5faa7e third party advisory patch
http://www.securityfocus.com/bid/108034 vdb entry broken link
https://usn.ubuntu.com/3967-1/ third party advisory vendor advisory
https://seclists.org/bugtraq/2019/May/60 third party advisory mailing list
https://www.debian.org/security/2019/dsa-4449 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00043.html third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00012.html vendor advisory mailing list third party advisory
https://usn.ubuntu.com/4431-1/ third party advisory vendor advisory
https://github.com/FFmpeg/FFmpeg/commit/9ccc633068c6fe76989f487c8932bd11886ad65b third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2019-11338?
CVE-2019-11338 has been scored as a high severity vulnerability.
How to fix CVE-2019-11338?
To fix CVE-2019-11338, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11338 being actively exploited in the wild?
It is possible that CVE-2019-11338 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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