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CVE-2023-39928

Name	CVE-2023-39928
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-5527-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
webkit2gtk (PTS)	bullseye	2.44.2-1~deb11u1	fixed
	bullseye (security)	2.46.3-1~deb11u2	fixed
	bookworm	2.46.0-2~deb12u1	fixed
	bookworm (security)	2.46.3-1~deb12u1	fixed
	sid, trixie	2.46.3-1	fixed
wpewebkit (PTS)	bullseye (security), bullseye	2.38.6-1~deb11u1	vulnerable
	bookworm	2.38.6-1	vulnerable
	sid, trixie	2.46.3-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin
webkit2gtk	source	buster	(unfixed)	end-of-life
webkit2gtk	source	bullseye	2.42.1-1~deb11u1		DSA-5527-1
webkit2gtk	source	bookworm	2.42.1-1~deb12u1		DSA-5527-1
webkit2gtk	source	(unstable)	2.42.0-1
wpewebkit	source	(unstable)	2.42.0-1

Notes

[buster] - webkit2gtk <end-of-life> (EOL in buster LTS)
[bookworm] - wpewebkit <ignored> (wpewebkit not covered by security support in Bookworm)
[bullseye] - wpewebkit <ignored> (wpewebkit >= 2.40 can no longer be sensibly backported)
https://webkitgtk.org/security/WSA-2023-0009.html