CVE-2022-30293

Name: CVE-2022-30293
Creator: NVD / NIST
Published: 2022-05-06T05:15:07.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.02%

Last modified Jun 17, 2026

CVE-2022-30293 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In WebKitGTK through 2.36.0 (and WPE WebKit), there is a heap-based buffer overflow in WebCore::TextureMapperLayer::setContentsLayer in WebCore/platform/graphics/texmap/TextureMapperLayer.cpp.. EPSS estimates a 2.02% chance of exploitation in the next 30 days.

Description

In WebKitGTK through 2.36.0 (and WPE WebKit), there is a heap-based buffer overflow in WebCore::TextureMapperLayer::setContentsLayer in WebCore/platform/graphics/texmap/TextureMapperLayer.cpp.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

2.02%

78.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Webkitgtk	Webkitgtk	<= 2.36.0
Debian	Debian Linux	10.0
Debian	Debian Linux	11.0

References

http://www.openwall.com/lists/oss-security/2022/05/30/1Mailing List, Third Party Advisory
https://bugs.webkit.org/show_bug.cgi?id=237187Patch, Vendor Advisory
https://github.com/ChijinZ/security_advisories/tree/master/webkitgtk-2.36.0Exploit, Third Party Advisory
https://security.gentoo.org/glsa/202208-39Third Party Advisory
https://www.debian.org/security/2022/dsa-5154Third Party Advisory
https://www.debian.org/security/2022/dsa-5155Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/05/30/1Mailing List, Third Party Advisory
https://bugs.webkit.org/show_bug.cgi?id=237187Patch, Vendor Advisory
https://github.com/ChijinZ/security_advisories/tree/master/webkitgtk-2.36.0Exploit, Third Party Advisory
https://security.gentoo.org/glsa/202208-39Third Party Advisory
https://www.debian.org/security/2022/dsa-5154Third Party Advisory
https://www.debian.org/security/2022/dsa-5155Third Party Advisory

Timeline

Published: May 6, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-30293?

In WebKitGTK through 2.36.0 (and WPE WebKit), there is a heap-based buffer overflow in WebCore::TextureMapperLayer::setContentsLayer in WebCore/platform/graphics/texmap/TextureMapperLayer.cpp.

How severe is CVE-2022-30293?

CVE-2022-30293 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.02% probability of exploitation in the next 30 days.

How do I fix CVE-2022-30293?

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-2022-30293?

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

Scan your code now

Source: NVD / NIST