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CVE-2022-30293· NVD / CVE Program· CNA mitre

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

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.

HighCVSS 7.5 · v3.1—No exploit Fix available
Published
May 6, 2022
Updated
Jun 17, 2026
EPSS
2.2% · 82th percentile
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Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.2%

Noroxi analysis

No Noroxi analysis for this record yet

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Affected systems

VendorProduct
webkitgtkwebkitgtk
debiandebian linux

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • debian debian linux10.0
  • debian debian linux11.0
  • webkitgtk webkitgtkup to 2.36.0 inclusive

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
AlmaLinux:8webkit2gtk3before 2.36.7-1.el82.36.7-1.el8
AlmaLinux:8webkit2gtk3-develbefore 2.36.7-1.el82.36.7-1.el8
AlmaLinux:8webkit2gtk3-jscbefore 2.36.7-1.el82.36.7-1.el8
AlmaLinux:8webkit2gtk3-jsc-develbefore 2.36.7-1.el82.36.7-1.el8
AlmaLinux:9webkit2gtk3before 2.36.7-1.el92.36.7-1.el9
AlmaLinux:9webkit2gtk3-develbefore 2.36.7-1.el92.36.7-1.el9
AlmaLinux:9webkit2gtk3-jscbefore 2.36.7-1.el92.36.7-1.el9
AlmaLinux:9webkit2gtk3-jsc-develbefore 2.36.7-1.el92.36.7-1.el9
Debian:10webkit2gtkbefore 2.36.3-1~deb10u12.36.3-1~deb10u1
Debian:11webkit2gtkbefore 2.36.3-1~deb11u12.36.3-1~deb11u1
Debian:11wpewebkitbefore 2.36.3-1~deb11u12.36.3-1~deb11u1
Debian:12webkit2gtkbefore 2.36.1-12.36.1-1
Debian:12wpewebkitbefore 2.36.1-12.36.1-1
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3before 0:2.36.7-1.el80:2.36.7-1.el8
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-debuginfobefore 0:2.36.7-1.el80:2.36.7-1.el8
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-debugsourcebefore 0:2.36.7-1.el80:2.36.7-1.el8
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-develbefore 0:2.36.7-1.el80:2.36.7-1.el8
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-devel-debuginfobefore 0:2.36.7-1.el80:2.36.7-1.el8
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-jscbefore 0:2.36.7-1.el80:2.36.7-1.el8
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-jsc-debuginfobefore 0:2.36.7-1.el80:2.36.7-1.el8
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-jsc-develbefore 0:2.36.7-1.el80:2.36.7-1.el8
Red Hat:enterprise_linux:8::appstreamwebkit2gtk3-jsc-devel-debuginfobefore 0:2.36.7-1.el80:2.36.7-1.el8
Red Hat:enterprise_linux:8::baseosglib2before 0:2.56.4-159.el80:2.56.4-159.el8
Red Hat:enterprise_linux:8::baseosglib2-debuginfobefore 0:2.56.4-159.el80:2.56.4-159.el8

+31

Same product

webkitgtk: all records

Other highest-scoring records for the same primary product.

  • CVE-2019-8720A vulnerability was found in WebKit.KEV
    65This week
  • CVE-2019-8375The UIProcess subsystem in WebKit, as used in WebKitGTK through 2.23.90 and WebKitGTK+ through 2.22.6 and other products, does not prevent t
    44Plan
  • CVE-2020-13753The bubblewrap sandbox of WebKitGTK and WPE WebKit, prior to 2.28.3, failed to properly block access to CLONE_NEWUSER and the TIOCSTI ioctl.
    41Plan
  • CVE-2020-10018WebKitGTK through 2.26.4 and WPE WebKit through 2.26.4 (which are the versions right before 2.28.0) contains a memory corruption issue (use-
    40Plan
  • CVE-2021-21806An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64.
    36Monitor
  • CVE-2021-21779A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4.
    36Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
almalinux:webkit2gtk32.36.7-1.el8 · AlmaLinux:8Package registry (OSV)
almalinux:webkit2gtk3-devel2.36.7-1.el8 · AlmaLinux:8Package registry (OSV)
almalinux:webkit2gtk3-jsc2.36.7-1.el8 · AlmaLinux:8Package registry (OSV)
almalinux:webkit2gtk3-jsc-devel2.36.7-1.el8 · AlmaLinux:8Package registry (OSV)
debian:webkit2gtk2.36.1-1 · Debian:12Package registry (OSV)
debian:wpewebkit2.36.1-1 · Debian:12Package registry (OSV)
opensuse:webkit2gtk32.36.3-150400.4.3.1 · openSUSE:Leap 15.4Package registry (OSV)
opensuse:webkit2gtk3-soup22.36.3-150400.4.3.1 · openSUSE:Leap 15.4Package registry (OSV)
opensuse:webkit2gtk42.36.3-150400.4.3.1 · openSUSE:Leap 15.4Package registry (OSV)
red hat:glib20:2.56.4-159.el8 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
red hat:glib2-debuginfo0:2.56.4-159.el8 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
red hat:glib2-debugsource0:2.56.4-159.el8 · Red Hat:enterprise_linux:8::baseosPackage registry (OSV)
red hat:webkit2gtk30:2.36.7-1.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-debuginfo0:2.36.7-1.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-debugsource0:2.36.7-1.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-devel0:2.36.7-1.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-devel-debuginfo0:2.36.7-1.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-jsc0:2.36.7-1.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-jsc-debuginfo0:2.36.7-1.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-jsc-devel0:2.36.7-1.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:webkit2gtk3-jsc-devel-debuginfo0:2.36.7-1.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
rocky linux:webkit2gtk30:2.36.7-1.el8_6 · Rocky Linux:8Package registry (OSV)
suse:webkit2gtk32.36.3-150000.3.103.1 · SUSE:Linux Enterprise High Performance Computing 15-ESPOSPackage registry (OSV)
suse:webkit2gtk32.36.3-150400.4.3.1 · SUSE:Linux Enterprise Module for Desktop Applications 15 SP4Package registry (OSV)
suse:webkit2gtk3-soup22.36.3-150400.4.3.1 · SUSE:Linux Enterprise Module for Basesystem 15 SP4Package registry (OSV)
suse:webkit2gtk42.36.3-150400.4.3.1 · SUSE:Linux Enterprise Module for Development Tools 15 SP4Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-787 · Out-of-bounds Write

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records