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ALSA-2025:23700 Not scored

Important: webkit2gtk3 security update

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * webkitgtk: webkitgtk: Use-after-free due to improper memory management (CVE-2025-43529) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43501) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43531) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43535) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43536) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2025-43541) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Exploit probability Not scored
Published December 18, 2025
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:9 webkit2gtk3
AlmaLinux:9 webkit2gtk3-devel
AlmaLinux:9 webkit2gtk3-jsc
AlmaLinux:9 webkit2gtk3-jsc-devel

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2025:23700

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fix(es): * webkitgtk: webkitgtk: Use-after-free due to improper memory management (CVE-2025-43529) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43501) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43531) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43535) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2025-43536) * webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2025-43541) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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05 / REFERENCES

Further evidence