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HIGH · 8.8

CVE-2021-20240

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 cr...

Vulnerability 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 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
GnomeGdk-Pixbuf< 2.39.2
FedoraprojectFedora33

Related Weaknesses (CWE)

CWE-191

References

FAQ

What is CVE-2021-20240?

CVE-2021-20240 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 cr...

How severe is CVE-2021-20240?

CVE-2021-20240 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20240?

Check the references section above for vendor advisories and patch information. Affected products include: Gnome Gdk-Pixbuf, Fedoraproject Fedora.