CVE-2015-5479
Published: 9 October 2015
The ff_h263_decode_mba function in libavcodec/ituh263dec.c in Libav before 11.5 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a file with crafted dimensions.
From the Ubuntu Security Team
It was discovered that Libav incorrectly handled certain media files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
ffmpeg Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(7:2.8.3-1)
|
| bionic |
Not vulnerable
(7:2.8.3-1)
|
|
| cosmic |
Not vulnerable
(7:2.8.3-1)
|
|
| disco |
Not vulnerable
(7:2.8.3-1)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| vivid |
Not vulnerable
(7:2.5.9-0ubuntu0.15.04.1)
|
|
| wily |
Not vulnerable
(7:2.7.3-0ubuntu0.15.10.1)
|
|
| xenial |
Not vulnerable
(7:2.8.3-1)
|
|
| yakkety |
Not vulnerable
(7:2.8.3-1)
|
|
| zesty |
Not vulnerable
(7:2.8.3-1)
|
|
|
libav Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
| bionic |
Does not exist
|
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| precise |
Does not exist
(precise was released [4:0.8.17-0ubuntu0.12.04.2])
|
|
| trusty |
Released
(6:9.20-0ubuntu0.14.04.1+esm1)
|
|
| upstream |
Needs triage
|
|
| vivid |
Ignored
(reached end-of-life)
|
|
| wily |
Does not exist
|
|
| xenial |
Does not exist
|
|
| yakkety |
Does not exist
|
|
| zesty |
Does not exist
|
|
|
Patches: upstream: https://git.libav.org/?p=libav.git;a=commitdiff;h=0a49a62f998747cfa564d98d36a459fe70d3299b |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |