CVE-2023-32373

NameCVE-2023-32373
DescriptionA use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-5427-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
webkit2gtk (PTS)bullseye2.44.2-1~deb11u1fixed
bullseye (security)2.46.3-1~deb11u1fixed
bookworm2.46.0-2~deb12u1fixed
bookworm (security)2.46.3-1~deb12u1fixed
sid, trixie2.46.3-1fixed
wpewebkit (PTS)bullseye (security), bullseye2.38.6-1~deb11u1vulnerable
bookworm2.38.6-1vulnerable
sid, trixie2.46.3-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
webkit2gtksourcebuster(unfixed)end-of-life
webkit2gtksourcebullseye2.40.2-1~deb11u1DSA-5427-1
webkit2gtksourcebookworm2.40.2-1~deb12u1DSA-5427-1
webkit2gtksource(unstable)2.40.2-1
wpewebkitsource(unstable)2.40.2-2

Notes

[buster] - webkit2gtk <end-of-life> (webkit2gtk EOL in buster)
[bookworm] - wpewebkit <ignored> (wpewebkit not covered by security support in Bookworm)
[bullseye] - wpewebkit <ignored> (wpewebkit >= 2.40 can no longer be sensibly backported)
https://bugs.webkit.org/show_bug.cgi?id=254840
https://github.com/WebKit/WebKit/commit/85fd2302d16a09a82d9a6e81eb286babb23c4b3c
https://webkitgtk.org/security/WSA-2023-0004.html

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