Linux · openSUSE Leap · Security advisory · June 20, 2026

OPENSUSE-SU-2026:21129-1: Security update for 3 packages

OPENSUSE-SU-2026:21129-1, released June 20, 2026, fixes 15 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
15
None rated Critical
Exploited
0
None reported
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.0069
53rd percentile

Priority of the 15 CVEs

Patch now 0 Urgent 0 High 15 Routine 0

Fixed package versions

ProductReleaseFixed in
webkit2gtk3opensuse-leap 16.02.52.4-160000.1.1
webkit2gtk3-soup2opensuse-leap 16.02.52.4-160000.1.1
webkit2gtk4opensuse-leap 16.02.52.4-160000.1.1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2026-28955 webkit2gtk: The issue was addressed with improved memory handling8.8 0.0069 None reported
High CVE-2026-28942 webkit2gtk: A use-after-free issue was addressed with improved memory management8.8 0.0061 None reported
High CVE-2026-28847 webkit2gtk: The issue was addressed with improved memory handling8.8 0.0060 None reported
High CVE-2026-28904 webkit2gtk: The issue was addressed with improved memory handling8.8 0.0041 None reported
High CVE-2026-28905 WebKit: Processing maliciously crafted web content may lead to an unexpected process crash8.8 0.0041 None reported
High CVE-2026-28953 webkit2gtk: The issue was addressed with improved memory handling8.8 0.0041 None reported
High CVE-2026-28883 WebKit: Processing maliciously crafted web content may lead to an unexpected process crash8.8 0.0040 None reported
High CVE-2026-28946 webkit2gtk: A use-after-free issue was addressed with improved memory management8.8 0.0039 None reported
High CVE-2026-28901 webkit2gtk: The issue was addressed with improved memory handling8.8 0.0039 None reported
High CVE-2026-28902 webkit2gtk: The issue was addressed with improved memory handling8.8 0.0039 None reported
High CVE-2026-28903 webkit2gtk: The issue was addressed with improved memory handling8.8 0.0039 None reported
High CVE-2026-28947 WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash8.8 0.0038 None reported
High CVE-2026-43658 WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash8.8 0.0032 None reported
High CVE-2026-28907 WebKit: Processing maliciously crafted web content may prevent Content Security Policy from being enforced8.8 0.0030 None reported
High CVE-2026-28958 WebKit: An app may be able to access sensitive user data8.8 0.0014 None reported
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