CVE-2022-30293 Memory corruption in n/a

What is CVE-2022-30293?

CVE-2022-30293 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 6 May 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-787

Which versions are affected by CVE-2022-30293?

It affects 2 products.

Products include Debian Debian Linux, Webkitgtk Webkitgtk.

How do I fix CVE-2022-30293?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-30293 being exploited?

There is no known exploitation of CVE-2022-30293 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as CVE-2022-30294, DEBIAN-CVE-2022-30293, GHSA-vmhh-gfrw-g264, UBUNTU-CVE-2022-30293.