Risk Scores
CVSS v4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | webkit2gtk |
Timeline
- Apr 28, 2026 CVE Published
=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.4356 webkit2gtk security update 29 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: webkit2gtk Publisher: Debian Operating System: Debian GNU/Linux Resolution: Patch/Upgrade CVE Names: CVE-2026-20691 CVE-2026-20643 CVE-2025-46299 CVE-2026-20665 CVE-2026-28871 CVE-2026-20664 CVE-2026-28857 CVE-2026-28861 CVE-2026-28859 Original Bulletin: https://lists.debian.org/debian-security-announce/2026/msg00142.html Comment: CVSS (Max): None available when published EPSS (Max): None available when published - --------------------------BEGIN INCLUDED TEXT-------------------- - ------------------------------------------------------------------------- Debian Security Advisory DSA-6232-1 security@debian.org https://www.debian.org/security/ Alberto Garcia April 28, 2026 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : webkit2gtk CVE ID : CVE-2025-46299 CVE-2026-20643 CVE-2026-20664 CVE-2026-20665 CVE-2026-20691 CVE-2026-28857 CVE-2026-28859 CVE-2026-28861 CVE-2026-28871 The following vulnerabilities have been discovered in the WebKitGTK web engine: CVE-2025-46299 Google Big Sleep discovered that processing maliciously crafted web content may disclose internal states of the app. CVE-2026-20643 Thomas Espach discovered that processing maliciously crafted web content may bypass Same Origin Policy. CVE-2026-20664 Daniel Rhea, Soehnke Benedikt Fischedick, Emrovsky & Switch, and Yevhen Pervushyn discovered that processing maliciously crafted web content may lead to an unexpected process crash CVE-2026-20665 webb discovered that processing maliciously crafted web content may prevent Content Security Policy from being enforced. CVE-2026-20691 Gongyu Ma discovered that a maliciously crafted webpage may be able to fingerprint the user. CVE-2026-28857 Narcis Oliveras Fontas, Soehnke Benedikt Fischedick, Daniel Rhea, and Nathaniel Oh discovered that processing maliciously crafted web content may lead to an unexpected process crash. CVE-2026-28859 greenbynox and Arni Hardarson discovered that a malicious website may be able to process restricted web content outside the sandbox. CVE-2026-28861 Hongze Wu and Shuaike Dong discovered that a malicious website may be able to access script message handlers intended for other origins. CVE-2026-28871 @hamayanhamayan discovered that visiting a maliciously crafted website may lead to a cross- site scripting attack. Starting from version 2.52.0, WebKitGTK can no longer be backported to the oldstable distribution (bookworm). Because of that, the webkit2gtk packages are no longer covered by security support in bookworm. For the stable distribution (trixie), these problems have been fixed in version 2.52.1-1~deb13u1. We recommend that you upgrade your webkit2gtk packages. For the detailed security status of webkit2gtk please refer to its security tracker page at: https://security-tracker.debian.org/tracker/webkit2gtk Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AUSCERT's members. As AUSCERT did not write the document quoted above, AUSCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AUSCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================
| Vendor | Product | Versions |
|---|---|---|
| Debian | webkit2gtk |