Home/CVE/In WebKitGTK through 2.36.0 (and WPE WebKit), there is a heap-based buffer overflow in WebCore::TextureMapperLayer::setC
CVE

CVE-2022-30293

In WebKitGTK through 2.36.0 (and WPE WebKit), there is a heap-based buffer overflow in WebCore::TextureMapperLayer::setC

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.

HIGH · CVSS 7.5 EPSS 0.00186
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

2
webkitgtk<= 2.36.0
debian linuxall versions
⚠

Public Exploits & PoCs

1
pocgithub.com · webkitgtk-2.36.0github.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 May 2022 · 05:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

8
rhsaRHSA-2025:10364Important
rhsaRHSA-2022:7704Moderate
rhsaRHSA-2022:8054Moderate
suse-csafSUSE-SU-2022:2089-1
suse-csafSUSE-SU-2022:2071-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2022/05/30/1Mailing ListThird Party Advisory
https://bugs.webkit.org/show_bug.cgi?id=237187PatchVendor 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
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