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TI-2022-12529 Aliases CVE-2022-30293GHSA-vmhh-gfrw-g264

In WebKitGTK through 2.36.0 (and WPE WebKit), there is a heap-based buffer overflow in…

Priority LOW 37CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.02221 82nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 3 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*up to 2.36.0VulnerableWebKitGTK
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
  • cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:* Versions up to 2.36.0 Vulnerable ·WebKitGTK
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian

Remediation

Red Hat 3 advisories

  • RHSA-2025:10364 Released 2025-07-07 · Red Hat rating Important
    webkitgtk4 security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4-2.48.3-2.el7_9, webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-jsc-2.48.3-2.el7_9 +1
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-doc-2.48.3-2.el7_9, webkitgtk4-jsc-devel-2.48.3-2.el7_9
  • RHSA-2022:8054 Released 2022-11-15 · Red Hat rating Moderate
    webkit2gtk3 security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.36.7-1.el9, webkit2gtk3-devel-2.36.7-1.el9, webkit2gtk3-jsc-2.36.7-1.el9 +1
  • RHSA-2022:7704 Released 2022-11-08 · Red Hat rating Moderate
    webkit2gtk3 security and bug fix update
    • Red Hat CodeReady Linux Builder (v. 8) glib2-doc-2.56.4-159.el8, glib2-static-2.56.4-159.el8
    • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.36.7-1.el8, webkit2gtk3-devel-2.36.7-1.el8, webkit2gtk3-jsc-2.36.7-1.el8 +1
    • Red Hat Enterprise Linux BaseOS (v. 8) glib2-2.56.4-159.el8, glib2-devel-2.56.4-159.el8, glib2-fam-2.56.4-159.el8 +1

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2022:7704
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2022:8054
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2025:10364
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2025:10364
Not affected: 3 products
  • Red Hat CodeReady Linux Builder (v. 8)
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux BaseOS (v. 8)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-30293
  2. 2026-10-03 Alias added: GHSA-vmhh-gfrw-g264

References

Exploit 1

Patch 1

Advisory 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences