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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2021-20240

An attacker may cause applications to crash or could potentially execute code on the victim system.

HIGH 8.8EPSS 2.35%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
2.35% probability · 83th percentile
CISA KEV
Not listed
Weakness
CWE-191
Affected
gnome/gdk-pixbuf · fedoraproject/fedora
Source
secalert@redhat.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.