Improper Neutralization of Equivalent Special Elements The advisory has been revoked - it doesn't affect any version of package webkit2gtk3 (opens in a new tab)
Threat Intelligence
Snyk has reported that there have been attempts or successful attacks targeting this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-WEBKIT2GTK3-13184423
- published3 Oct 2025
- disclosed15 Jul 2025
Introduced: 15 Jul 2025
CVE-2025-6558 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream webkit2gtk3 package and not the webkit2gtk3 package as distributed by RHEL.
Insufficient validation of untrusted input in ANGLE and GPU in Google Chrome prior to 138.0.7204.157 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2380254
- https://access.redhat.com/security/cve/CVE-2025-6558
- https://chromereleases.googleblog.com/2025/07/stable-channel-update-for-desktop_15.html
- https://issues.chromium.org/issues/427162086
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-6558
- http://seclists.org/fulldisclosure/2025/Aug/0
- http://seclists.org/fulldisclosure/2025/Jul/30
- http://seclists.org/fulldisclosure/2025/Jul/32
- http://seclists.org/fulldisclosure/2025/Jul/35
- http://seclists.org/fulldisclosure/2025/Jul/37
- https://lists.debian.org/debian-lts-announce/2025/08/msg00015.html
- http://www.openwall.com/lists/oss-security/2025/08/02/1
- http://www.openwall.com/lists/oss-security/2026/09/30/18
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog