Red Hat Security Advisory: webkit2gtk3 security update
Affects Red HatSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited.
Data as of 25 Oct 2026, 19:02 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 4 Jun 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 2026-10-25.
What to do
AI-suggested
Red Hat has released updated webkit2gtk3 packages (version 2.48.2-1.el9_4) that address these vulnerabilities. Users should apply these official updates to affected Red Hat Enterprise Linux 9.4 Extended Update Support systems and related variants. Before applying this update, ensure all previously released errata relevant to your system have been applied. Refer to Red Hat's official update instructions at https://access.redhat.com/articles/11258 for detailed guidance. No additional mitigations or workarounds are specified in the advisory.
Description
Red Hat has issued a security advisory for webkit2gtk3 addressing two vulnerabilities in WebKitGTK, the WebKit port for the GTK platform. The first vulnerability (CVE-2025-31205) allows a malicious website to exfiltrate data cross-origin. The second (CVE-2025-31257) can cause an unexpected Safari crash when processing maliciously crafted web content. These issues have been rated with high severity by Red Hat. Updates are available for Red Hat Enterprise Linux 9.4 Extended Update Support and related variants to remediate these vulnerabilities.
References
- access.redhat.com/errata/RHSA-2025:8534 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2366501 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2366504 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_8534.json (opens in a new tab)