CVE-2018-12458
Publication date 15 June 2018
Last updated 25 August 2025
Ubuntu priority
Description
An improper integer type in the mpeg4_encode_gop_header function in libavcodec/mpeg4videoenc.c in FFmpeg 2.8 and 4.0 may trigger an assertion violation while converting a crafted AVI file to MPEG4, leading to a denial of service.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| ffmpeg | 18.04 LTS bionic |
Fixed 7:3.4.4-0ubuntu0.18.04.1
|
| 16.04 LTS xenial |
Fixed 7:2.8.15-0ubuntu0.16.04.1
|
|
| 14.04 LTS trusty | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
6.5 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |