CVE-2020-24994
Published: 23 March 2021
Stack overflow in the parse_tag function in libass/ass_parse.c in libass before 0.15.0 allows remote attackers to cause a denial of service or remote code execution via a crafted file.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libass Launchpad, Ubuntu, Debian |
bionic |
Needed
|
| focal |
Needed
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Not vulnerable
(0.15.0-1)
|
|
| impish |
Not vulnerable
(0.15.0-2)
|
|
| jammy |
Not vulnerable
(0.15.2-1)
|
|
| kinetic |
Not vulnerable
(0.15.2-1)
|
|
| lunar |
Not vulnerable
(0.15.2-1)
|
|
| mantic |
Not vulnerable
(0.15.2-1)
|
|
| trusty |
Needed
|
|
| upstream |
Released
(0.15.0)
|
|
| xenial |
Released
(0.13.1-1ubuntu0.1~esm2)
Available with Ubuntu Pro |
|
|
Patches: upstream: https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e799 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| 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 |