security advisorydebianimportant
The following vulnerabilities have been discovered in the WebKitGTK web engine: CVE-2025-13947 . - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4399-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/lts/security/ Emilio Pozuelo Monfort December 10, 2025 https://wiki.debian.org/LTS - ------------------------------------------------------------------------- Package : webkit2gtk Version : 2.50.3-1~deb11u1 CVE ID : CVE-2025-13947 CVE-2025-43421 CVE-2025-43458 CVE-2025-66287 The following vulnerabilities have been discovered in the WebKitGTK web engine: CVE-2025-13947 Janet Black discovered that a website may be able to exfiltrate sensitive system information. CVE-2025-43421 Nan Wang discovered that processing maliciously crafted web content may lead to an unexpected process crash. CVE-2025-43458 Phil Beauvoir discovered that processing maliciously crafted web content may lead to an unexpected process crash. CVE-2025-66287 Stanislav Fort discovered that processing maliciously crafted web content may lead to an unexpected process crash. For Debian 11 bullseye, these problems have been fixed in version 2.50.3-1~deb11u1. 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/source-package/webkit2gtk Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS . Discover critical updates for webkit2gtk in Debian due to vulnerabilities that may lead to data exfiltration and crashes.. Debian Security, WebKitGTK Update, CVE-2025-13947, Debian LTS Advisory, System Vulnerabilities. . Severity: Important. LinuxSecurity.com Team
Dec 10, 2025
•Important
Debian LTS