Red Hat Security Advisory: webkit2gtk3 security update
Affects Red Hat webkit2gtk3Source GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 6.5 Medium.
Data as of 1 Nov 2026, 12:16 UTC
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 10 Mar 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 1 Nov 2026.
What to do
AI-suggested
Red Hat has released an updated package for webkit2gtk3 that addresses all listed vulnerabilities. Users running affected versions of Red Hat Enterprise Linux 9.4 Extended Update Support and related variants should apply the update as detailed in the Red Hat advisory (https://access.redhat.com/articles/11258). No additional mitigation steps are indicated beyond applying the official update.
Description
A security update for webkit2gtk3 addresses multiple vulnerabilities in the WebKitGTK engine used on the GTK platform. These issues include crashes triggered by maliciously crafted web content, cross-origin data exfiltration, denial-of-service conditions, and cross-site scripting attacks via malicious iframes. The update is rated as important by Red Hat and affects Red Hat Enterprise Linux 9.4 Extended Update Support and related variants. Users are advised to apply the provided update to mitigate these risks.
References
- access.redhat.com/errata/RHSA-2025:3755 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2353871 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2353872 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2357909 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2357910 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2357911 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2357917 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2357919 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_3755.json (opens in a new tab)