Red Hat Security Advisory: webkit2gtk3 security update
Affects Red Hat webkit2gtk3Source GCVE Database
Mentioned vulnerabilities
Not known to be exploited : upgrade the Red Hat redhat/webkit2gtk3 package to 8.4.2 soon.
Data as of 26 Oct 2026, 08:30 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.
- Patch
- Available – fixed in 8.4.2
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 26 Oct 2026.
What to do
Upgrade the Red Hat redhat/webkit2gtk3 package to 8.4.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Red Hatredhat/webkit2gtk3pkg:rpm/redhat/webkit2gtk3Other threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Red Hat has released updated webkit2gtk3 packages for Red Hat Enterprise Linux 8.4 to address these vulnerabilities. Users should apply this security update promptly after ensuring all prior relevant errata are installed. No additional mitigations are specified or required beyond applying the official update. Patch status is confirmed by the Red Hat advisory RHSA-2025:8530.
Description
Red Hat has issued a security advisory for webkit2gtk3 addressing two vulnerabilities in WebKitGTK, the WebKit port for GTK. The first vulnerability (CVE-2025-31205) allows a malicious website to exfiltrate data across origins. The second (CVE-2025-31257) can cause an unexpected crash in Safari when processing maliciously crafted web content. These issues have been rated as important by Red Hat. An update is available for affected Red Hat Enterprise Linux 8.4 variants to remediate these vulnerabilities.
References
- access.redhat.com/errata/RHSA-2025:8530 (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_8530.json (opens in a new tab)