CVE-2020-21913

NameCVE-2020-21913
DescriptionInternational Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free bug in the pkg_createWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp.
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)
ReferencesDLA-2784-1, DSA-5014-1, ELA-496-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
icu (PTS)jessie, jessie (lts)52.1-8+deb8u9fixed
stretch57.1-6+deb9u4vulnerable
stretch (security)57.1-6+deb9u5fixed
buster63.1-6+deb10u1vulnerable
buster (security)63.1-6+deb10u2fixed
sid, bookworm, bullseye67.1-7fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
icusourcejessie52.1-8+deb8u9ELA-496-1
icusourcestretch57.1-6+deb9u5DLA-2784-1
icusourcebuster63.1-6+deb10u2DSA-5014-1
icusource(unstable)67.1-2

Notes

https://github.com/unicode-org/icu/pull/886
https://unicode-org.atlassian.net/browse/ICU-20850
https://github.com/unicode-org/icu/commit/727505bddab0bfd527f1db6697cb4d4f7febe4a9

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