CVE-2016-7972
Published: 3 March 2017
The check_allocations function in libass/ass_shaper.c in libass before 0.13.4 allows remote attackers to cause a denial of service (memory allocation failure) via unspecified vectors.
From the Ubuntu Security Team
It was discovered that LibASS incorrectly handled certain ASS files. A remote attacker could possibly use this issue to cause a denial of service.
Priority
Status
Package | Release | Status |
---|---|---|
libass Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(1:0.13.4-2)
|
bionic |
Not vulnerable
(1:0.13.4-2)
|
|
cosmic |
Not vulnerable
(1:0.13.4-2)
|
|
disco |
Not vulnerable
(1:0.13.4-2)
|
|
eoan |
Not vulnerable
(1:0.13.4-2)
|
|
focal |
Not vulnerable
(1:0.13.4-2)
|
|
groovy |
Not vulnerable
(1:0.13.4-2)
|
|
hirsute |
Not vulnerable
(1:0.13.4-2)
|
|
impish |
Not vulnerable
(1:0.13.4-2)
|
|
jammy |
Not vulnerable
(1:0.13.4-2)
|
|
precise |
Released
(0.10.0-3+deb7u1build0.12.04.1)
|
|
trusty |
Released
(0.10.1-3ubuntu1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
upstream |
Released
(0.13.4)
|
|
xenial |
Released
(0.13.1-1ubuntu0.1~esm1)
Available with Ubuntu Pro |
|
yakkety |
Ignored
(end of life)
|
|
zesty |
Not vulnerable
(1:0.13.4-2)
|
|
Patches: upstream: https://github.com/libass/libass/pull/240/commits/aa54e0b59200a994d50a346b5d7ac818ebcf2d4b |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |