Medium severity5.5NVD Advisory· Published Sep 20, 2021· Updated Jun 17, 2026

CVE-2020-21913

Description

International 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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Unicode/International Components for Unicode
cpe:2.3:a:unicode:international_components_for_unicode:*:*:*:*:*:*:*:*
Range: <66.1
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
International Components for Unicode/International Components for Unicodedescription
Unicode/Icullm-create
Range: =66.1
osv-coords62 versions
pkg:rpm/opensuse/icu&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/icu&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/icu&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/icu&distro=openSUSE%20Leap%20Micro%205.2 pkg:rpm/opensuse/icu&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/icu73_2&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/icu73_2&distro=openSUSE%20Leap%2015.5 pkg:rpm/opensuse/icu73_2&distro=openSUSE%20Leap%20Micro%205.2 pkg:rpm/opensuse/icu73_2&distro=openSUSE%20Leap%20Micro%205.3 pkg:rpm/opensuse/icu73_2&distro=openSUSE%20Leap%20Micro%205.4 pkg:rpm/suse/icu&distro=SUSE%20Enterprise%20Storage%207.1 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSS pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOS pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSS pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Micro%205.1 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Micro%205.2 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Micro%205.3 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Micro%205.4 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP3 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP4 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP6 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSS pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSS pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/icu&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP5 pkg:rpm/suse/icu&distro=SUSE%20Manager%20Proxy%204.3 pkg:rpm/suse/icu&distro=SUSE%20Manager%20Server%204.3 pkg:rpm/suse/icu73_2&distro=SUSE%20Enterprise%20Storage%207 pkg:rpm/suse/icu73_2&distro=SUSE%20Enterprise%20Storage%207.1 pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOS pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSS pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20Micro%205.1 pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20Micro%205.2 pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20Micro%205.3 pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20Micro%205.4 pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4 pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5 pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSS pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSS pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1 pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2 pkg:rpm/suse/icu73_2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3 pkg:rpm/suse/icu73_2&distro=SUSE%20Manager%20Proxy%204.2 pkg:rpm/suse/icu73_2&distro=SUSE%20Manager%20Server%204.2
< 60.2-150000.3.12.1+ 61 more
- (no CPE)range: < 60.2-150000.3.12.1
- (no CPE)range: < 60.2-150000.3.12.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.5.1
- (no CPE)range: < 73.2-2.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.5.1
- (no CPE)range: < 65.1-150200.4.5.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.5.1
- (no CPE)range: < 65.1-150200.4.5.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 60.2-150000.3.12.1
- (no CPE)range: < 60.2-150000.3.12.1
- (no CPE)range: < 65.1-150200.4.5.1
- (no CPE)range: < 65.1-150200.4.5.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 52.1-8.13.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 52.1-8.13.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 52.1-8.13.1
- (no CPE)range: < 52.1-8.13.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 65.1-150200.4.15.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1
- (no CPE)range: < 73.2-150000.1.3.1

Patches

Vulnerability mechanics

References

github.com/unicode-org/icu/pull/886nvdPatchThird Party Advisory
unicode-org.atlassian.net/browse/ICU-20850nvdExploitVendor Advisory
lists.debian.org/debian-lts-announce/2021/10/msg00008.htmlnvdMailing ListThird Party Advisory
www.debian.org/security/2021/dsa-5014nvdThird Party Advisory

News mentions

No linked articles in our index yet.

cvss	0.358
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000