Red Hat Security Advisory: webkit2gtk3 security update
Red Hat has issued a security advisory for webkit2gtk3 addressing two vulnerabilities in WebKitGTK, the WebKit port for GTK. The first vulnerability (CVE-2025-31205) allows a malicious website to exfiltrate data across origins. The second (CVE-2025-31257) can cause an unexpected crash in Safari when processing maliciously crafted web content. These issues have been rated as important by Red Hat. An update is available for affected Red Hat Enterprise Linux 8.4 variants to remediate these vulnerabilities.
AI Analysis
Technical Summary
This advisory covers two security vulnerabilities in webkit2gtk3, the GTK port of the WebKit rendering engine. CVE-2025-31205 involves cross-origin data exfiltration by malicious websites, categorized under CWE-200 (Information Exposure). CVE-2025-31257 involves a use-after-free condition leading to an unexpected Safari crash, categorized under CWE-416 (Use After Free). Red Hat has released updated packages for Red Hat Enterprise Linux 8.4 to address these issues. The advisory references the Red Hat errata RHSA-2025:8530 for patch details.
Potential Impact
Exploitation of CVE-2025-31205 could allow a malicious website to exfiltrate sensitive data across origins, potentially compromising user privacy and data confidentiality. CVE-2025-31257 may cause denial of service via an unexpected crash of Safari when processing crafted web content. Both vulnerabilities affect the security and stability of web browsing environments using webkit2gtk3.
Mitigation Recommendations
Red Hat has released updated webkit2gtk3 packages for Red Hat Enterprise Linux 8.4 to address these vulnerabilities. Users should apply this security update promptly after ensuring all prior relevant errata are installed. No additional mitigations are specified or required beyond applying the official update. Patch status is confirmed by the Red Hat advisory RHSA-2025:8530.
Red Hat Security Advisory: webkit2gtk3 security update
Description
Red Hat has issued a security advisory for webkit2gtk3 addressing two vulnerabilities in WebKitGTK, the WebKit port for GTK. The first vulnerability (CVE-2025-31205) allows a malicious website to exfiltrate data across origins. The second (CVE-2025-31257) can cause an unexpected crash in Safari when processing maliciously crafted web content. These issues have been rated as important by Red Hat. An update is available for affected Red Hat Enterprise Linux 8.4 variants to remediate these vulnerabilities.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers two security vulnerabilities in webkit2gtk3, the GTK port of the WebKit rendering engine. CVE-2025-31205 involves cross-origin data exfiltration by malicious websites, categorized under CWE-200 (Information Exposure). CVE-2025-31257 involves a use-after-free condition leading to an unexpected Safari crash, categorized under CWE-416 (Use After Free). Red Hat has released updated packages for Red Hat Enterprise Linux 8.4 to address these issues. The advisory references the Red Hat errata RHSA-2025:8530 for patch details.
Potential Impact
Exploitation of CVE-2025-31205 could allow a malicious website to exfiltrate sensitive data across origins, potentially compromising user privacy and data confidentiality. CVE-2025-31257 may cause denial of service via an unexpected crash of Safari when processing crafted web content. Both vulnerabilities affect the security and stability of web browsing environments using webkit2gtk3.
Mitigation Recommendations
Red Hat has released updated webkit2gtk3 packages for Red Hat Enterprise Linux 8.4 to address these vulnerabilities. Users should apply this security update promptly after ensuring all prior relevant errata are installed. No additional mitigations are specified or required beyond applying the official update. Patch status is confirmed by the Red Hat advisory RHSA-2025:8530.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:8530
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-31257"]
Threat ID: 6a4049e327e9c797198336d4
Added to database: 06/27/2026, 22:08:35 UTC
Last enriched: 06/27/2026, 22:31:57 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 16
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