CVE-2021-45481

Name: CVE-2021-45481
Creator: NVD / NIST
Published: 2021-12-25T01:15:08.293+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.43%

Last modified Jun 17, 2026

CVE-2021-45481 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In WebKitGTK before 2.32.4, there is incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::create, leading to a segmentation violation and application crash, a different vulnerability than CVE-2021-30889.. EPSS estimates a 1.43% chance of exploitation in the next 30 days.

Description

In WebKitGTK before 2.32.4, there is incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::create, leading to a segmentation violation and application crash, a different vulnerability than CVE-2021-30889.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.43%

69.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-401

Affected Software

Vendor	Product	Versions
Webkitgtk	Webkitgtk	< 2.32.4

References

http://www.openwall.com/lists/oss-security/2022/01/21/2Mailing List, Third Party Advisory
https://github.com/ChijinZ/security_advisories/tree/master/webkitgtk-2.32.3Exploit, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/01/21/2Mailing List, Third Party Advisory
https://github.com/ChijinZ/security_advisories/tree/master/webkitgtk-2.32.3Exploit, Third Party Advisory

Timeline

Published: Dec 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-45481?

How severe is CVE-2021-45481?

CVE-2021-45481 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.43% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45481?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-45481?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST