CVE-2021-45909
Publication date 28 December 2021
Last updated 24 July 2024
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| gif2apng | ||
| 20.04 LTS focal |
Fixed 1.9+srconly-3ubuntu0.1
|
|
| 18.04 LTS bionic |
Fixed 1.9+srconly-2ubuntu0.1
|
|
| 16.04 LTS xenial |
Fixed 1.7-3ubuntu0.1~esm1
|
|
| 14.04 LTS trusty | Ignored end of standard support |
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Get Ubuntu ProSeverity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.8 · High
|
| 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 |
References
Related Ubuntu Security Notices (USN)
- USN-5969-1
- gif2apng vulnerabilities
- 23 March 2023