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CVE-2020-23922

Publication date 21 April 2021

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.1 · High

Score breakdown

An issue was discovered in giflib through 5.1.4. DumpScreen2RGB in gif2rgb.c has a heap-based buffer over-read.

Read the notes from the security team

Status

Package Ubuntu Release Status
giflib 24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar Ignored end of life, was deferred [2024-02-02]
22.10 kinetic Ignored end of life, was deferred [2024-02-02]
22.04 LTS jammy
Not affected
21.10 impish Ignored end of life
21.04 hirsute Ignored end of life
20.10 groovy Ignored end of life
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release

Notes

mdeslaur

one of the commits listes below likely fixes this issue.

gianz

looks like the patch for CVE-2016-3977 fixes the issue.

Severity score breakdown

Parameter Value
Base score 7.1 · High
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H