Red Hat Security Advisory: webkit2gtk3 security update
Multiple security vulnerabilities have been identified in webkit2gtk3, the GTK port of the WebKit web rendering engine, affecting Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. These vulnerabilities include issues that may cause unexpected crashes, denial-of-service, information disclosure, bypass of security policies such as Same Origin Policy and Content Security Policy, user fingerprinting, cross-site scripting, and sandbox escape. The vulnerabilities arise from processing maliciously crafted web content or malicious websites. Red Hat has issued a security advisory with updates to address these issues.
AI Analysis
Technical Summary
The Red Hat security advisory RHSA-2026:19535 addresses multiple vulnerabilities in webkit2gtk3, the GTK port of WebKit. The issues include crashes (CVE-2025-43213, CVE-2025-43214, CVE-2025-43457, CVE-2025-43511, CVE-2026-20608, CVE-2026-20635, CVE-2026-20636, CVE-2026-20644, CVE-2026-20664, CVE-2026-28857), denial-of-service (CVE-2026-20652), information disclosure (CVE-2025-46299), bypass of Same Origin Policy (CVE-2026-20643), prevention of Content Security Policy enforcement (CVE-2026-20665), user tracking via Safari web extensions (CVE-2026-20676), user fingerprinting (CVE-2026-20691), sandbox escape (CVE-2026-28859), and cross-site scripting (CVE-2026-28871). These vulnerabilities result from processing maliciously crafted web content or websites. The advisory provides updated packages for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions to remediate these issues.
Potential Impact
Successful exploitation of these vulnerabilities may lead to unexpected application or process crashes, denial-of-service conditions, disclosure of internal application states, bypass of web security policies such as Same Origin Policy and Content Security Policy, user tracking and fingerprinting, sandbox escape allowing processing of restricted content outside the sandbox, and cross-site scripting attacks. These impacts can affect the confidentiality, integrity, and availability of affected systems running the vulnerable webkit2gtk3 packages.
Mitigation Recommendations
Red Hat has released updated webkit2gtk3 packages for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions that address these vulnerabilities. Users should apply the security update as detailed in the Red Hat advisory RHSA-2026:19535 and the referenced article https://access.redhat.com/articles/11258. No additional mitigations are specified beyond applying the official update.
Red Hat Security Advisory: webkit2gtk3 security update
Description
Multiple security vulnerabilities have been identified in webkit2gtk3, the GTK port of the WebKit web rendering engine, affecting Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. These vulnerabilities include issues that may cause unexpected crashes, denial-of-service, information disclosure, bypass of security policies such as Same Origin Policy and Content Security Policy, user fingerprinting, cross-site scripting, and sandbox escape. The vulnerabilities arise from processing maliciously crafted web content or malicious websites. Red Hat has issued a security advisory with updates to address these issues.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Red Hat security advisory RHSA-2026:19535 addresses multiple vulnerabilities in webkit2gtk3, the GTK port of WebKit. The issues include crashes (CVE-2025-43213, CVE-2025-43214, CVE-2025-43457, CVE-2025-43511, CVE-2026-20608, CVE-2026-20635, CVE-2026-20636, CVE-2026-20644, CVE-2026-20664, CVE-2026-28857), denial-of-service (CVE-2026-20652), information disclosure (CVE-2025-46299), bypass of Same Origin Policy (CVE-2026-20643), prevention of Content Security Policy enforcement (CVE-2026-20665), user tracking via Safari web extensions (CVE-2026-20676), user fingerprinting (CVE-2026-20691), sandbox escape (CVE-2026-28859), and cross-site scripting (CVE-2026-28871). These vulnerabilities result from processing maliciously crafted web content or websites. The advisory provides updated packages for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions to remediate these issues.
Potential Impact
Successful exploitation of these vulnerabilities may lead to unexpected application or process crashes, denial-of-service conditions, disclosure of internal application states, bypass of web security policies such as Same Origin Policy and Content Security Policy, user tracking and fingerprinting, sandbox escape allowing processing of restricted content outside the sandbox, and cross-site scripting attacks. These impacts can affect the confidentiality, integrity, and availability of affected systems running the vulnerable webkit2gtk3 packages.
Mitigation Recommendations
Red Hat has released updated webkit2gtk3 packages for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions that address these vulnerabilities. Users should apply the security update as detailed in the Red Hat advisory RHSA-2026:19535 and the referenced article https://access.redhat.com/articles/11258. No additional mitigations are specified beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:19535
- Cve Count
- 18
- Additional Cves
- ["CVE-2025-43214","CVE-2025-43457","CVE-2025-43511","CVE-2025-46299","CVE-2026-20608","CVE-2026-20635","CVE-2026-20636","CVE-2026-20643","CVE-2026-20644","CVE-2026-20652","CVE-2026-20664","CVE-2026-20665","CVE-2026-20676","CVE-2026-20691","CVE-2026-28857","CVE-2026-28859","CVE-2026-28871"]
- Cvss Version
- null
Threat ID: 6a1df668e29bf47b50460d2b
Added to database: 06/01/2026, 21:15:20 UTC
Last enriched: 07/15/2026, 14:42:38 UTC
Last updated: 07/31/2026, 19:24:46 UTC
Views: 53
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