CVE-2021-1820

NameCVE-2021-1820
DescriptionA memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may result in the disclosure of process memory.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-4797-1

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~deb11u2fixed
bookworm2.46.0-2~deb12u1fixed
bookworm (security)2.46.3-1~deb12u1fixed
sid, trixie2.46.4-1fixed
wpewebkit (PTS)bullseye (security), bullseye2.38.6-1~deb11u1fixed
bookworm2.38.6-1fixed
sid, trixie2.46.4-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
webkit2gtksourcebuster2.30.3-1~deb10u1DSA-4797-1
webkit2gtksource(unstable)2.30.1-1
wpewebkitsource(unstable)2.30.0-1

Notes

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

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