# RLSA-2026:42062: webkit2gtk3 security update RLSA-2026:42062, released July 22, 2026, fixes 23 CVEs in webkit2gtk3 (version 0:2.52.5-1.el9_8). None of them is reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/fix/linux/rlsa-2026-42062 - Platform: Linux - Released: Jul 22, 2026 - Priority: High (Closes CVE-2024-4367, high severity) - CVEs: 23, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://errata.rockylinux.org/RLSA-2026:42062 ## Applies to | Product | Release | Fixed in | |---|---|---| | [webkit2gtk3](https://patchblox.com/security/data/product/linux/webkit2gtk3.md) | rocky 9 | 0:2.52.5-1.el9_8 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2024-4367](https://patchblox.com/security/data/cve/CVE-2024-4367.md) | High | Mozilla Firefox ESR and 6 others: Improper Check for Unusual or Exceptional Conditions | 8.8 | 0.7066 | | | [CVE-2026-43715](https://patchblox.com/security/data/cve/CVE-2026-43715.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * Mozilla:... | 9.6 | 0.0126 | | | [CVE-2026-43725](https://patchblox.com/security/data/cve/CVE-2026-43725.md) | High | WebKit: A malicious website may be able to process restricted web content outside the sandbox | 9.6 | 0.0091 | | | [CVE-2026-43707](https://patchblox.com/security/data/cve/CVE-2026-43707.md) | High | WebKit: Processing maliciously crafted web content may lead to an unexpected process crash | 9.6 | 0.0069 | | | [CVE-2026-43745](https://patchblox.com/security/data/cve/CVE-2026-43745.md) | High | WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash | 9.6 | 0.0068 | | | [CVE-2026-43720](https://patchblox.com/security/data/cve/CVE-2026-43720.md) | High | WebKit Canvas: Processing maliciously crafted web content may lead to an unexpected Safari crash | 9.6 | 0.0066 | | | [CVE-2026-43716](https://patchblox.com/security/data/cve/CVE-2026-43716.md) | High | WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash | 9.6 | 0.0060 | | | [CVE-2026-43701](https://patchblox.com/security/data/cve/CVE-2026-43701.md) | High | WebKit: A malicious website may be able to process restricted web content outside the sandbox | 9.6 | 0.0055 | | | [CVE-2026-43713](https://patchblox.com/security/data/cve/CVE-2026-43713.md) | High | WebKit: Visiting a website may leak sensitive data | 9.6 | 0.0053 | | | [CVE-2026-43732](https://patchblox.com/security/data/cve/CVE-2026-43732.md) | High | WebKit: Processing maliciously crafted web content may disclose sensitive user information | 9.6 | 0.0048 | | | [CVE-2026-43676](https://patchblox.com/security/data/cve/CVE-2026-43676.md) | High | WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash | 9.6 | 0.0047 | | | [CVE-2026-43721](https://patchblox.com/security/data/cve/CVE-2026-43721.md) | High | WebKit Storage: A malicious website may be able to silently hijack clipboard data | 9.6 | 0.0044 | | | [CVE-2026-43712](https://patchblox.com/security/data/cve/CVE-2026-43712.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * Mozilla:... | 9.6 | 0.0043 | | | [CVE-2026-43705](https://patchblox.com/security/data/cve/CVE-2026-43705.md) | High | WebKit: Processing maliciously crafted web content may lead to memory corruption | 8.8 | 0.0042 | | | [CVE-2026-43731](https://patchblox.com/security/data/cve/CVE-2026-43731.md) | High | WebKit: Processing maliciously crafted web content may lead to memory corruption | 9.6 | 0.0041 | | | [CVE-2026-43740](https://patchblox.com/security/data/cve/CVE-2026-43740.md) | High | WebKit: Processing maliciously crafted web content may result in the disclosure of process memory | 9.6 | 0.0040 | | | [CVE-2026-43699](https://patchblox.com/security/data/cve/CVE-2026-43699.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * Mozilla:... | 9.6 | 0.0039 | | | [CVE-2026-43734](https://patchblox.com/security/data/cve/CVE-2026-43734.md) | High | WebKit: Processing maliciously crafted web content may lead to an unexpected process crash | 9.6 | 0.0039 | | | [CVE-2026-43742](https://patchblox.com/security/data/cve/CVE-2026-43742.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * Mozilla:... | 9.6 | 0.0039 | | | [CVE-2026-39872](https://patchblox.com/security/data/cve/CVE-2026-39872.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * Mozilla:... | 9.6 | 0.0037 | | | [CVE-2026-43663](https://patchblox.com/security/data/cve/CVE-2026-43663.md) | High | WebKit: Processing maliciously crafted web content may lead to an unexpected process crash | 9.6 | 0.0037 | | | [CVE-2026-43726](https://patchblox.com/security/data/cve/CVE-2026-43726.md) | High | webkit2gtk3: WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * Mozilla:... | 9.6 | 0.0036 | | | [CVE-2026-43727](https://patchblox.com/security/data/cve/CVE-2026-43727.md) | High | WebKit: Processing maliciously crafted web content may lead to an unexpected Safari crash | 9.6 | 0.0035 | | --- Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). 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