CVE-2021-1870

NameCVE-2021-1870
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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-4877-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
webkit2gtk (PTS)jessie2.6.2+dfsg1-4vulnerable
stretch2.18.6-1~deb9u1vulnerable
buster (security), buster, buster (lts)2.38.6-0+deb10u1fixed
bullseye2.44.2-1~deb11u1fixed
bullseye (security)2.46.4-1~deb11u1fixed
bookworm2.46.0-2~deb12u1fixed
bookworm (security)2.46.4-1~deb12u1fixed
trixie2.46.4-1fixed
sid2.46.5-1fixed
wpewebkit (PTS)bullseye (security), bullseye2.38.6-1~deb11u1fixed
bookworm2.38.6-1fixed
trixie2.46.4-1fixed
sid2.46.5-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
webkit2gtksourcejessie(unfixed)end-of-life
webkit2gtksourcebuster2.30.6-1~deb10u1DSA-4877-1
webkit2gtksource(unstable)2.30.6-1
wpewebkitsource(unstable)2.30.6-1

Notes

[stretch] - webkit2gtk <ignored> (Not covered by security support in stretch)
https://webkitgtk.org/security/WSA-2021-0002.html

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