Red Hat Security Advisory: webkit2gtk3 security update
Two security vulnerabilities have been identified in webkit2gtk3, the GTK port of the WebKit rendering engine. The first vulnerability (CVE-2025-31205) allows a malicious website to exfiltrate data across origins. The second vulnerability (CVE-2025-31257) can cause an unexpected crash in Safari when processing maliciously crafted web content. Red Hat has released an important security update addressing these issues for Red Hat Enterprise Linux 9 and its variants. Users are advised to apply the update to mitigate these vulnerabilities.
AI Analysis
Technical Summary
This advisory covers two vulnerabilities in webkit2gtk3. CVE-2025-31205 involves cross-origin data exfiltration by a malicious website, classified under CWE-200 (Information Exposure). CVE-2025-31257 involves an unexpected crash in Safari triggered by maliciously crafted web content, related to use-after-free conditions (CWE-416). Red Hat has issued an important security update for Red Hat Enterprise Linux 9 and associated extended update support and lifecycle versions. The update addresses these vulnerabilities to prevent data leakage and denial of service conditions caused by crashes.
Potential Impact
Successful exploitation of CVE-2025-31205 could allow a malicious website to exfiltrate sensitive data across origins, potentially compromising user privacy and security. CVE-2025-31257 could cause an unexpected crash of the Safari browser, leading to denial of service. Both vulnerabilities affect the web rendering engine used in GTK environments, impacting applications relying on webkit2gtk3. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Red Hat has released an official security update for webkit2gtk3 in Red Hat Enterprise Linux 9 and related variants. Users should apply the update as described in the Red Hat advisory RHSA-2025:7995 and the referenced article https://access.redhat.com/articles/11258 to remediate these vulnerabilities. Patch status is confirmed as fixed in the updated packages. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: webkit2gtk3 security update
Description
Two security vulnerabilities have been identified in webkit2gtk3, the GTK port of the WebKit rendering engine. The first vulnerability (CVE-2025-31205) allows a malicious website to exfiltrate data across origins. The second vulnerability (CVE-2025-31257) can cause an unexpected crash in Safari when processing maliciously crafted web content. Red Hat has released an important security update addressing these issues for Red Hat Enterprise Linux 9 and its variants. Users are advised to apply the update to mitigate these vulnerabilities.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers two vulnerabilities in webkit2gtk3. CVE-2025-31205 involves cross-origin data exfiltration by a malicious website, classified under CWE-200 (Information Exposure). CVE-2025-31257 involves an unexpected crash in Safari triggered by maliciously crafted web content, related to use-after-free conditions (CWE-416). Red Hat has issued an important security update for Red Hat Enterprise Linux 9 and associated extended update support and lifecycle versions. The update addresses these vulnerabilities to prevent data leakage and denial of service conditions caused by crashes.
Potential Impact
Successful exploitation of CVE-2025-31205 could allow a malicious website to exfiltrate sensitive data across origins, potentially compromising user privacy and security. CVE-2025-31257 could cause an unexpected crash of the Safari browser, leading to denial of service. Both vulnerabilities affect the web rendering engine used in GTK environments, impacting applications relying on webkit2gtk3. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Red Hat has released an official security update for webkit2gtk3 in Red Hat Enterprise Linux 9 and related variants. Users should apply the update as described in the Red Hat advisory RHSA-2025:7995 and the referenced article https://access.redhat.com/articles/11258 to remediate these vulnerabilities. Patch status is confirmed as fixed in the updated packages. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:7995
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-31257"]
Threat ID: 6a4049e727e9c79719834c10
Added to database: 06/27/2026, 22:08:39 UTC
Last enriched: 06/27/2026, 22:35:34 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 16
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