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TI-2023-10721 Aliases CVE-2023-25362GHSA-wjwh-3f92-h6f4

A use-after-free vulnerability in WebCore::RenderLayer::repaintBlockSelectionGaps in…

Priority MEDIUM 42CWE-416Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 2 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

A use-after-free vulnerability in WebCore::RenderLayer::repaintBlockSelectionGaps in WebKitGTK before 2.36.8 allows attackers to execute code remotely.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00974 62nd percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 2 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

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

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*before 2.36.8VulnerableWebKitGTK
  • cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:* Versions before 2.36.8 Vulnerable ·WebKitGTK

Remediation

Red Hat 2 advisories

  • RHSA-2023:2834 Released 2023-05-16 · Red Hat rating Important
    webkit2gtk3 security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.38.5-1.el8, webkit2gtk3-devel-2.38.5-1.el8, webkit2gtk3-jsc-2.38.5-1.el8 +1
  • RHSA-2023:2256 Released 2023-05-09 · Red Hat rating Important
    webkit2gtk3 security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.38.5-1.el9, webkit2gtk3-devel-2.38.5-1.el9, webkit2gtk3-jsc-2.38.5-1.el9 +1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:2834
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:2256

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-25362
  2. 2026-10-03 Alias added: GHSA-wjwh-3f92-h6f4

References

Advisory 2

Other 1

  • TI-2021-01572 Apple iOS and iPadOS: A remote attacker may be able to cause arbitrary code execution KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-22512 Memory corruption in Apple Safari KEVCVSS 3.1HIGH 8.8
  • TI-2025-05957 Improper input validation in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2022-14420 Out-of-bounds write in Apple Safari KEVCVSS 3.1HIGH 8.8
  • TI-2022-02117 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2021-11319 Integer overflow in Apple watchOS KEVCVSS 3.1HIGH 8.8
See all 67 →

Sources

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