Linux · Security advisory · June 24, 2026

RHSA-2026:25918: Security update for 4 packages

RHSA-2026:25918, released June 24, 2026, fixes 16 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
16
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0069
53rd percentile

Priority of the 16 CVEs

Patch now 0 Urgent 0 High 16 Routine 0

Fixed package versions

ProductReleaseFixed in
webkit2gtk3RHEL 80:2.52.4-1.el8_10
webkit2gtk3-develRHEL 80:2.52.4-1.el8_10
webkit2gtk3-jscRHEL 80:2.52.4-1.el8_10
webkit2gtk3-jsc-develRHEL 80:2.52.4-1.el8_10

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2026-28955 webkit2gtk: The issue was addressed with improved memory handling 8.8 0.0069 None reported
High CVE-2026-28942 webkit2gtk: A use-after-free issue was addressed with improved memory management 8.8 0.0061 None reported
High CVE-2026-28847 webkit2gtk: The issue was addressed with improved memory handling 8.8 0.0060 None reported
High CVE-2026-28904 webkit2gtk: The issue was addressed with improved memory handling 8.8 0.0041 None reported
High CVE-2026-28905 WebKit: Processing maliciously crafted web content may lead to an unexpected process crash 8.8 0.0041 None reported
High CVE-2026-28953 webkit2gtk: The issue was addressed with improved memory handling 8.8 0.0041 None reported
High CVE-2026-28883 WebKit: Processing maliciously crafted web content may lead to an unexpected process crash 8.8 0.0040 None reported
High CVE-2026-28946 webkit2gtk: A use-after-free issue was addressed with improved memory management 8.8 0.0039 None reported
High CVE-2026-28901 webkit2gtk: The issue was addressed with improved memory handling 8.8 0.0039 None reported
High CVE-2026-28902 webkit2gtk: The issue was addressed with improved memory handling 8.8 0.0039 None reported
High CVE-2026-28903 webkit2gtk: The issue was addressed with improved memory handling 8.8 0.0039 None reported
High CVE-2026-28947 WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash 8.8 0.0038 None reported
High CVE-2026-43658 WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash 8.8 0.0032 None reported
High CVE-2026-28907 WebKit: Processing maliciously crafted web content may prevent Content Security Policy from being enforced 8.8 0.0030 None reported
High CVE-2026-43660 WebKit: Processing maliciously crafted web content may prevent Content Security Policy from being enforced 8.8 0.0027 None reported
High CVE-2026-28958 WebKit: An app may be able to access sensitive user data 8.8 0.0014 None reported
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