CVE-2021-30795

NameCVE-2021-30795
DescriptionA use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-4945-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
webkit2gtk (PTS)buster2.36.4-1~deb10u1fixed
buster (security)2.38.6-0+deb10u1fixed
bullseye2.42.2-1~deb11u1fixed
bullseye (security)2.44.2-1~deb11u1fixed
bookworm2.42.2-1~deb12u1fixed
bookworm (security)2.44.2-1~deb12u1fixed
sid, trixie2.44.2-1fixed
wpewebkit (PTS)bullseye (security), bullseye2.38.6-1~deb11u1fixed
bookworm2.38.6-1fixed
sid, trixie2.44.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
webkit2gtksourcebuster2.32.3-1~deb10u1DSA-4945-1
webkit2gtksource(unstable)2.32.3-1
wpewebkitsource(unstable)2.32.3-1

Notes

[stretch] - webkit2gtk <ignored> (Not covered by security support in stretch)
https://webkitgtk.org/security/WSA-2021-0004.html

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