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)
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
webkit2gtk (PTS)stretch2.18.6-1~deb9u1vulnerable
buster2.30.5-1~deb10u1vulnerable
buster (security)2.30.6-1~deb10u1vulnerable
bullseye, sid2.30.6-1vulnerable
wpewebkit (PTS)bullseye, sid2.30.6-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
webkit2gtksource(unstable)(unfixed)
wpewebkitsource(unstable)(unfixed)

Notes

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

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