CVE-2021-45909

Publication date 28 December 2021

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

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 21.10 impish Ignored end of life
21.04 hirsute Ignored end of life
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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Severity 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

Other references