Linux · Security advisory · April 30, 2026

RHSA-2026:10702: Security update for 4 packages

RHSA-2026:10702, released April 30, 2026, fixes 18 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
18
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0109
65th percentile

Priority of the 18 CVEs

Patch now 0 Urgent 0 High 18 Routine 0

Fixed package versions

ProductReleaseFixed in
webkit2gtk3RHEL 80:2.52.3-1.el8_10
webkit2gtk3-develRHEL 80:2.52.3-1.el8_10
webkit2gtk3-jscRHEL 80:2.52.3-1.el8_10
webkit2gtk3-jsc-develRHEL 80:2.52.3-1.el8_10

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
High CVE-2025-43214 WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash 8.8 0.0109 None reported
High CVE-2025-43213 libjavascriptcoregtk-bin: The issue was addressed with improved memory handling 8.8 0.0078 None reported
High CVE-2026-20664 WebKit: Processing maliciously crafted web content may lead to an unexpected process crash 8.8 0.0075 None reported
High CVE-2026-20652 WebKit: A remote attacker may be able to cause a denial-of-service 8.8 0.0070 None reported
High CVE-2026-28857 webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * webkitgt... 8.8 0.0067 None reported
High CVE-2026-28859 WebKit: A malicious website may be able to process restricted web content outside the sandbox 8.8 0.0066 None reported
High CVE-2026-20665 WebKit: Processing maliciously crafted web content may prevent Content Security Policy from being enforced 8.8 0.0063 None reported
High CVE-2025-43457 gir1.2-javascriptcoregtk-6.0: A use-after-free issue was addressed with improved memory management 8.8 0.0061 None reported
High CVE-2025-43511 WebKit Web Inspector: Processing maliciously crafted web content may lead to an unexpected process crash 8.8 0.0046 None reported
High CVE-2026-20636 gir1.2-javascriptcoregtk-4.1: The issue was addressed with improved memory handling 8.8 0.0046 None reported
High CVE-2026-20643 WebKit: Processing maliciously crafted web content may bypass Same Origin Policy 8.8 0.0037 None reported
High CVE-2026-20635 gir1.2-javascriptcoregtk-4.1: The issue was addressed with improved memory handling 8.8 0.0035 None reported
High CVE-2026-20644 WebKit: Processing maliciously crafted web content may lead to an unexpected process crash 8.8 0.0035 None reported
High CVE-2025-46299 WebKit: Processing maliciously crafted web content may disclose internal states of the app 8.8 0.0031 None reported
High CVE-2026-20691 WebKit Sandboxing: A maliciously crafted webpage may be able to fingerprint the user 8.8 0.0029 None reported
High CVE-2026-28871 WebKit: Visiting a maliciously crafted website may lead to a cross-site scripting attack 8.8 0.0029 None reported
High CVE-2026-20608 WebKit: Processing maliciously crafted web content may lead to an unexpected process crash 8.8 0.0028 None reported
High CVE-2026-20676 WebKit: A website may be able to track users through Safari web extensions 8.8 0.0027 None reported
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