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 26 Oct 2026, 14:05 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 38% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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
Weaponised: 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 26 Oct 2026.
What to do
AI-suggested
Red Hat has released updated webkit2gtk3 packages as part of advisory RHSA-2025:8066 to address these vulnerabilities. Users of affected Red Hat Enterprise Linux 8.6 variants should apply the provided security updates promptly. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigations are indicated beyond applying the official patches.
Description
Multiple security vulnerabilities have been identified in webkit2gtk3, the GTK port of the WebKit web rendering engine. These include issues that may cause unexpected process crashes, denial-of-service conditions, cross-origin data exfiltration, and cross-site scripting attacks. The vulnerabilities affect Red Hat Enterprise Linux 8.6 variants. Red Hat has issued a security advisory with updated packages addressing these issues.
References
- access.redhat.com/errata/RHSA-2025:8066 (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_8066.json (opens in a new tab)