Improper Input Validation The advisory has been revoked - it doesn't affect any version of package webkit2gtk3-plugin-process-gtk2 (opens in a new tab)
Threat Intelligence
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-RHEL8-WEBKIT2GTK3PLUGINPROCESSGTK2-17138673
- published3 Jun 2026
- disclosed2 Jun 2026
Introduced: 2 Jun 2026
CVE-2026-28907 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream webkit2gtk3-plugin-process-gtk2 package and not the webkit2gtk3-plugin-process-gtk2 package as distributed by RHEL.
The issue was addressed with improved input validation. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.
References
- https://access.redhat.com/security/cve/CVE-2026-28907
- https://support.apple.com/en-us/127110
- https://support.apple.com/en-us/127111
- https://support.apple.com/en-us/127115
- https://support.apple.com/en-us/127118
- https://support.apple.com/en-us/127119
- https://support.apple.com/en-us/127120
- https://support.apple.com/en-us/127121