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Advisory severityHigh7.4Red Hat Linux

High [CVE-2025-13947] Webkit: webkitgtk: remote user-assisted information disclosure via file drag-and-drop

This high-severity Red Hat Linux advisory covers CVE-2025-13947 affecting Red Hat Enterprise Linux 7 Extended Lifecycle Support, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2025-13947 Source published Source updated

VulniPulse record published

CVE-2025-13947
Affected products & platforms
Red Hat LinuxRed Hat Enterprise Linux
Open source advisory

Summary

A flaw was found in WebKitGTK. This vulnerability allows remote, user-assisted information disclosure that can reveal any file the user is permitted to read via abusing the file drag-and-drop mechanism where WebKitGTK does not verify that drag operations originate from outside the browser.

The Red Hat Product Security team has assessed the severity of this vulnerability as High, as it enables remote websites to extract arbitrary files from a user’s system with minimal interaction. Although some user action is required, the action can be trivial and easily induced by a malicious page.

The issue arises from missing validation that a dragged file originated from an external application, enabling unintended file system access. Successful exploitation can compromise confidentiality of local user data.

Red Hat severity: Important — CVSS 7.4 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N). Weakness: CWE-346.

Affected products named by the advisory: Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 13 more.

Is CVE-2025-13947 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2025-13947 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2025-13947?

Upgrade to a fixed release named by Red Hat:

  • webkitgtk4-0:2.50.3-2.el7_9
  • webkit2gtk3-0:2.50.3-1.el8_10
  • webkit2gtk3-0:2.50.3-2.el8_2
  • webkit2gtk3-0:2.50.3-2.el8_4
  • webkit2gtk3-0:2.50.3-2.el8_6
  • webkit2gtk3-0:2.50.3-2.el8_8
  • webkit2gtk3-0:2.50.3-1.el9_7
  • webkit2gtk3-0:2.50.3-1.el9_0
  • webkit2gtk3-0:2.50.3-1.el9_2
  • webkit2gtk3-0:2.50.3-1.el9_4
  • webkit2gtk3-0:2.50.3-1.el9_6
  • RHSA-2025:23583

10 more fixed releases are listed below.

Confirm against the vendor advisory before you patch.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.

Official advisory · high-confidence parse· fetched 20 days ago·verify at source

Fixed versions
  • webkitgtk4-0:2.50.3-2.el7_9
  • webkit2gtk3-0:2.50.3-1.el8_10
  • webkit2gtk3-0:2.50.3-2.el8_2
  • webkit2gtk3-0:2.50.3-2.el8_4
  • webkit2gtk3-0:2.50.3-2.el8_6
  • webkit2gtk3-0:2.50.3-2.el8_8
  • webkit2gtk3-0:2.50.3-1.el9_7
  • webkit2gtk3-0:2.50.3-1.el9_0
  • webkit2gtk3-0:2.50.3-1.el9_2
  • webkit2gtk3-0:2.50.3-1.el9_4
  • webkit2gtk3-0:2.50.3-1.el9_6
  • RHSA-2025:23583
  • RHSA-2025:22789
  • RHSA-2025:23433
  • RHSA-2025:23434
  • RHSA-2025:23743
  • RHSA-2025:23742
  • RHSA-2025:22790
  • RHSA-2025:23452
  • RHSA-2025:23451
  • RHSA-2025:23591
  • RHSA-2025:23110

Official advisory · high-confidence parse· fetched 20 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Official advisory · high-confidence parse· fetched 20 days ago·verify at source

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