CVE-2019-11338
Publication date 18 April 2019
Last updated 24 July 2024
Ubuntu priority
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
|
| 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)
- USN-3967-1
- FFmpeg vulnerabilities
- 6 May 2019
- USN-4431-1
- FFmpeg vulnerabilities
- 22 July 2020