CVE-2021-1871

NameCVE-2021-1871
DescriptionA logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause 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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-4923-1
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
webkit2gtk (PTS)stretch2.18.6-1~deb9u1vulnerable
buster, buster (security)2.32.4-1~deb10u1fixed
bullseye (security), bullseye2.32.4-1~deb11u1fixed
bookworm, sid2.34.0-1fixed
wpewebkit (PTS)bullseye (security), bullseye2.32.4-1~deb11u1fixed
bookworm, sid2.32.4-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
webkit2gtksourcebuster2.32.1-1~deb10u1DSA-4923-1
webkit2gtksource(unstable)2.32.0-2
wpewebkitsource(unstable)2.32.0-2

Notes

[stretch] - webkit2gtk <ignored> (Not covered by security support in stretch)
https://webkitgtk.org/security/WSA-2021-0003.html

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