CVE-2021-20240

HIGH

gdk-pixbuf < 2.42.0 - Integer Underflow via Crafted GIF Image

Title source: llm
STIX 2.1

Description

A flaw was found in gdk-pixbuf in versions before 2.42.0. An integer wraparound leading to an out of bounds write can occur when a crafted GIF image is loaded. An attacker may cause applications to crash or could potentially execute code on the victim system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

References (4)

Core 4

Scores

CVSS v3 8.8
EPSS 0.0079
EPSS Percentile 74.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-191
Status published
Products (3)
fedoraproject/fedora 33
fedoraproject/fedora 34
gnome/gdk-pixbuf < 2.39.2
Published May 28, 2021
Tracked Since Feb 18, 2026