CVE-2021-20240

HIGH
8.8
CVSS Score
Published: May 28, 2021 at 10:42 AM UTC
Updated: June 17, 2026 at 03:33 AM UTC
2 products affected across 2 vendorsFedoraGdk-Pixbuf

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Severity
HIGH8.8
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.39.22.42.0
Affected range stops below 2.39.2, so it looks safe — our inference, not a vendor statement

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-191

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