CVE-2021-1826

NameCVE-2021-1826
DescriptionA logic issue was addressed with improved restrictions. 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 lead to universal cross site scripting.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-4797-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
webkit2gtk (PTS)stretch2.18.6-1~deb9u1vulnerable
buster2.32.1-1~deb10u1fixed
buster (security)2.32.4-1~deb10u1fixed
bullseye (security)2.32.4-1~deb11u1fixed
bookworm, bullseye2.32.3-1fixed
sid2.32.4-1fixed
wpewebkit (PTS)bullseye (security)2.32.4-1~deb11u1fixed
bookworm, bullseye2.32.3-2fixed
sid2.32.4-1fixed

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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