CVE-2021-45909
Published: 28 December 2021
An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow vulnerability in the DecodeLZW function. It allows an attacker to write a large amount of arbitrary data outside the boundaries of a buffer.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
gif2apng Launchpad, Ubuntu, Debian |
bionic |
Released
(1.9+srconly-2ubuntu0.1)
|
| focal |
Released
(1.9+srconly-3ubuntu0.1)
|
|
| xenial |
Released
(1.7-3ubuntu0.1~esm1)
Available with Ubuntu Pro |
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Needs triage
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Ignored
(end of life)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |