CVE-2020-23922

2021-04-2118:15:08

Debian Security Bug Tracker

security-tracker.debian.org

giflib

heap-based buffer

over-read

unix

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:N/A:P

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

EPSS

0.001

Percentile

35.9%

JSON

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

OSVersionArchitecturePackageVersionFilename
Debian12allgiflib<= 5.2.1-2.5giflib_5.2.1-2.5_all.deb
Debian11allgiflib<= 5.1.9-2giflib_5.1.9-2_all.deb
Debian999allgiflib< 5.2.2-1giflib_5.2.2-1_all.deb
Debian13allgiflib< 5.2.2-1giflib_5.2.2-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	giflib	<= 5.2.1-2.5	giflib_5.2.1-2.5_all.deb
Debian	11	all	giflib	<= 5.1.9-2	giflib_5.1.9-2_all.deb
Debian	999	all	giflib	< 5.2.2-1	giflib_5.2.2-1_all.deb
Debian	13	all	giflib	< 5.2.2-1	giflib_5.2.2-1_all.deb