CVE-2019-11338

Publication date 18 April 2019

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

8.8 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
ffmpeg 20.04 LTS focal
Not affected
19.10 eoan
Not affected
19.04 disco
Fixed 7:4.1.3-0ubuntu1
18.10 cosmic Ignored end of life
18.04 LTS bionic
Fixed 7:3.4.6-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 7:2.8.17-0ubuntu0.1
14.04 LTS trusty Not in release

Severity score breakdown

Parameter Value
Base score 8.8 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references