CVE-2023-39928

HIGH 8.8CVE-2023-39928 · Published 06/10/2023 · updated 17/06/2026

In short

CVE-2023-39928 is a HIGH (CVSS 8.8) vulnerability affecting webkitgtk (webkitgtk).
Chance of exploitation in the next 30 days (EPSS): 1.4%, higher than 73.3% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
webkitgtk webkitgtk	`= 2.40.5`	No fix yet

Description

A use-after-free vulnerability exists in the MediaRecorder API of Webkit WebKitGTK 2.40.5. A specially crafted web page can abuse this vulnerability to cause memory corruption and potentially arbitrary code execution. A user would need to to visit a malicious webpage to trigger this vulnerability.

References

lists.fedoraproject.org/archives/list/[email protected]/message/4EEMDC5TQAANFH5D77QM34ZTUKXPFGVL · Mailing List
security.gentoo.org/glsa/202401-33
talosintelligence.com/vulnerability_reports/TALOS-2023-1831 · Third Party Advisory
webkitgtk.org/security/WSA-2023-0009.html · Vendor Advisory
debian.org/security/2023/dsa-5527 · Third Party Advisory
talosintelligence.com/vulnerability_reports/TALOS-2023-1831

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Package

Affected versions

Patched versions

webkitgtk

= 2.40.5

No fix yet

More vulnerabilities in webkitgtk

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