# SUSE-SU-2026:21180-1: Security update for 2 packages SUSE-SU-2026:21180-1, released April 13, 2026, fixes 25 CVEs across 2 products. One of them is being exploited (CVE-2025-31277); 1 on CISA KEV. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/fix/linux/suse-su-2026-21180-1 - Platform: Linux - Released: Apr 13, 2026 - Priority: Patch now (Closes CVE-2025-31277, exploited (CISA KEV)) - CVEs: 25, exploited: 1, on CISA KEV: 1 - Vendor advisory: https://osv.dev/vulnerability/SUSE-SU-2026:21180-1 ## Applies to | Product | Release | Fixed in | |---|---|---| | [webkit2gtk3](https://patchblox.com/security/data/product/linux/webkit2gtk3.md) | sles 16.0 | 2.52.1-160000.1.1 | | [webkit2gtk4](https://patchblox.com/security/data/product/linux/webkit2gtk4.md) | sles 16.0 | 2.52.1-160000.1.1 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2025-31277](https://patchblox.com/security/data/cve/CVE-2025-31277.md) | Patch now | webkit2gtk3: processing maliciously crafted web content may lead to memory corruption (bsc#1259948). | 8.8 | 0.0168 | CISA KEV | | [CVE-2025-43433](https://patchblox.com/security/data/cve/CVE-2025-43433.md) | High | WebKit: Processing maliciously crafted web content may lead to memory corruption | 8.8 | 0.0117 | | | [CVE-2025-43438](https://patchblox.com/security/data/cve/CVE-2025-43438.md) | High | WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash | 8.8 | 0.0111 | | | [CVE-2025-43214](https://patchblox.com/security/data/cve/CVE-2025-43214.md) | High | WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash | 8.8 | 0.0109 | | | [CVE-2023-43010](https://patchblox.com/security/data/cve/CVE-2023-43010.md) | High | webkit2gtk3: processing maliciously crafted web content may lead to memory corruption (bsc#1259950). | 8.8 | 0.0097 | | | [CVE-2025-43441](https://patchblox.com/security/data/cve/CVE-2025-43441.md) | High | WebKit: Processing maliciously crafted web content may lead to an unexpected process crash | 8.8 | 0.0096 | | | [CVE-2025-43213](https://patchblox.com/security/data/cve/CVE-2025-43213.md) | High | libjavascriptcoregtk-bin: The issue was addressed with improved memory handling | 8.8 | 0.0078 | | | [CVE-2026-20664](https://patchblox.com/security/data/cve/CVE-2026-20664.md) | High | WebKit: Processing maliciously crafted web content may lead to an unexpected process crash | 8.8 | 0.0075 | | | [CVE-2026-20652](https://patchblox.com/security/data/cve/CVE-2026-20652.md) | High | WebKit: A remote attacker may be able to cause a denial-of-service | 8.8 | 0.0071 | | | [CVE-2026-28857](https://patchblox.com/security/data/cve/CVE-2026-28857.md) | High | webkit2gtk3: processing maliciously crafted web content may lead to an unexpected process crash (bsc#1261176). | 8.8 | 0.0067 | | | [CVE-2026-28859](https://patchblox.com/security/data/cve/CVE-2026-28859.md) | High | WebKit: A malicious website may be able to process restricted web content outside the sandbox | 8.8 | 0.0066 | | | [CVE-2026-20665](https://patchblox.com/security/data/cve/CVE-2026-20665.md) | High | WebKit: Processing maliciously crafted web content may prevent Content Security Policy from being enforced | 8.8 | 0.0063 | | | [CVE-2025-43457](https://patchblox.com/security/data/cve/CVE-2025-43457.md) | High | gir1.2-javascriptcoregtk-6.0: A use-after-free issue was addressed with improved memory management | 8.8 | 0.0061 | | | [CVE-2025-31223](https://patchblox.com/security/data/cve/CVE-2025-31223.md) | High | WebKit: Processing maliciously crafted web content may lead to memory corruption | 8.8 | 0.0059 | | | [CVE-2026-20636](https://patchblox.com/security/data/cve/CVE-2026-20636.md) | High | webkit2gtk3: processing maliciously crafted web content may lead to an unexpected process crash (bsc#1259937). | 8.8 | 0.0047 | | | [CVE-2025-43511](https://patchblox.com/security/data/cve/CVE-2025-43511.md) | High | WebKit Web Inspector: Processing maliciously crafted web content may lead to an unexpected process crash | 8.8 | 0.0046 | | | [CVE-2026-20643](https://patchblox.com/security/data/cve/CVE-2026-20643.md) | High | WebKit: Processing maliciously crafted web content may bypass Same Origin Policy | 8.8 | 0.0037 | | | [CVE-2026-20635](https://patchblox.com/security/data/cve/CVE-2026-20635.md) | High | gir1.2-javascriptcoregtk-4.1: The issue was addressed with improved memory handling | 8.8 | 0.0036 | | | [CVE-2026-20644](https://patchblox.com/security/data/cve/CVE-2026-20644.md) | High | WebKit: Processing maliciously crafted web content may lead to an unexpected process crash | 8.8 | 0.0036 | | | [CVE-2025-46299](https://patchblox.com/security/data/cve/CVE-2025-46299.md) | High | WebKit: Processing maliciously crafted web content may disclose internal states of the app | 8.8 | 0.0031 | | | [CVE-2026-20691](https://patchblox.com/security/data/cve/CVE-2026-20691.md) | High | WebKit Sandboxing: A maliciously crafted webpage may be able to fingerprint the user | 8.8 | 0.0029 | | | [CVE-2026-28871](https://patchblox.com/security/data/cve/CVE-2026-28871.md) | High | WebKit: Visiting a maliciously crafted website may lead to a cross-site scripting attack | 8.8 | 0.0029 | | | [CVE-2026-20608](https://patchblox.com/security/data/cve/CVE-2026-20608.md) | High | WebKit: Processing maliciously crafted web content may lead to an unexpected process crash | 8.8 | 0.0028 | | | [CVE-2026-20676](https://patchblox.com/security/data/cve/CVE-2026-20676.md) | High | WebKit: A website may be able to track users through Safari web extensions | 8.8 | 0.0027 | | | [CVE-2026-28861](https://patchblox.com/security/data/cve/CVE-2026-28861.md) | Routine | WebKit: A malicious website may be able to access script message handlers intended for other origins | 4.3 | 0.0032 | | --- Data as of 2026-11-11T01:20:23Z UTC. 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