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CVE-2020-21913

International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free...

5.5 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.21%Up 0.6 points since Sep 21, 2021
90%50%10%1%

What each source reports

NVD Score used 5.5

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.

Record
CVE-2020-21913
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-416
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2020-21913
Updated
2026-11-02
EUVDEUVD-2020-14679 No score

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.

Record
EUVD-2020-14679
Updated
2026-11-02
GitHub AdvisoriesGHSA-3vq4-8jw3-cwr6 5.5

International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free...

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.

Record
GHSA-3vq4-8jw3-cwr6
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-416
Updated
2026-11-02
OSVALPINE-CVE-2020-21913 5.5

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.

Record
ALPINE-CVE-2020-21913
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVBELL-CVE-2020-21913 5.5

CVE-2020-21913 does not affect BellSoft software

Record
BELL-CVE-2020-21913
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 13 moreShow less
OSV 5.5

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.

Record
CVE-2020-21913
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-21913 5.5

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.

Record
DEBIAN-CVE-2020-21913
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2021-1406 5.5

icu security update

Tools and utilities for developing with icu.

Security Fix(es):

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.(CVE-2020-21913)

Record
OESA-2021-1406
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-21913 5.5

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.

Record
UBUNTU-CVE-2020-21913
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2024:13127-1 No score

icu-73.2-2.1 on GA media

These are all security issues fixed in the icu-73.2-2.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:13127-1
Updated
2026-11-02
OSVSUSE-SU-2022:3140-1 No score

Security update for icu

This update for icu fixes the following issues:

  • CVE-2020-21913: Fixed a memory safety issue that could lead to use after free (bsc#1193951).
Record
SUSE-SU-2022:3140-1
Updated
2026-11-02
OSVSUSE-SU-2022:3141-1 No score

Security update for icu

This update for icu fixes the following issues:

  • CVE-2020-21913: Fixed a memory safetey issue that could lead to use after free (bsc#1193951).
Record
SUSE-SU-2022:3141-1
Updated
2026-11-02
OSVSUSE-SU-2022:3142-1 No score

Security update for icu

This update for icu fixes the following issues:

  • CVE-2020-21913: Fixed a memory safetey issue that could lead to use after free (bsc#1193951).
Record
SUSE-SU-2022:3142-1
Updated
2026-11-02
OSVSUSE-SU-2023:3563-1 No score

Security update for icu73_2

This update for icu73_2 fixes the following issues:

  • Update to release 73.2

    • CLDR extends the support for “short” Chinese sort orders to cover some additional, required characters for Level 2. This is carried over into ICU collation.
    • ICU has a modified character conversion table, mapping some GB18030 characters to Unicode characters that were encoded after GB18030-2005.
  • fixes builds where UCHAR_TYPE is re-defined such as libqt5-qtwebengine

  • Update to release 73.1

    • Improved Japanese and Korean short-text line breaking
    • Reduction of C++ memory use in date formatting
  • Update to release 72.1

    • Support for Unicode 15, including new characters, scripts, emoji, and corresponding API constants.
    • Support for CLDR 42 locale data with various additions and corrections.
    • Shift to tzdb 2022e. Pre-1970 data for a number of timezones has been removed.
  • bump library packagename to libicu71 to match the version.

  • update to 71.1:

    • updates to CLDR 41 locale data with various additions and corrections.
    • phrase-based line breaking for Japanese. Existing line breaking methods follow standards and conventions for body text but do not work well for short Japanese text, such as in titles and headings. This new feature is optimized for these use cases.
    • support for Hindi written in Latin letters (hi_Latn). The CLDR data for this increasingly popular locale has been significantly revised and expanded. Note that based on user expectations, hi_Latn incorporates a large amount of English, and can also be referred to as “Hinglish”.
    • time zone data updated to version 2022a. Note that pre-1970 data for a number of time zones has been removed, as has been the case in the upstream tzdata release since 2021b.
  • ICU-21793 Fix ucptrietest golden diff [bsc#1192935]

  • Update to release 70.1:

    • Unicode 14 (new characters, scripts, emoji, and API constants)
    • CLDR 40 (many additions and corrections)
    • Fixes for measurement unit formatting
    • Can now be built with up to C++20 compilers
  • ICU-21613 Fix undefined behaviour in ComplexUnitsConverter::applyRounder

  • Update to release 69.1

    • CLDR 39
    • For Norwegian, 'no' is back to being the canonical code, with 'nb' treated as equivalent. This aligns handling of Norwegian with other macro language codes.
    • Binary prefixes in measurement units (KiB, MiB, etc.)
    • Time zone offsets from local time: New APIs BasicTimeZone::getOffsetFromLocal() (C++) and ucal_getTimeZoneOffsetFromLocal()
  • Backport ICU-21366 (bsc#1182645)

  • Update to release 68.2

    • Fix memory problem in FormattedStringBuilder
    • Fix assertion when setKeywordValue w/ long value.
    • Fix UBSan breakage on 8bit of rbbi
    • fix int32_t overflow in listFormat
    • Fix memory handling in MemoryPool::operator=()
    • Fix memory leak in AliasReplacer
  • Add back icu.keyring, see https://unicode-org.atlassian.net/browse/ICU-21361

  • Update to release 68.1

    • CLDR 38
    • Measurement unit preferences
    • PluralRules selection for ranges of numbers
    • Locale ID canonicalization now conforms to the CLDR spec including edge cases
    • DateIntervalFormat supports output options such as capitalization
    • Measurement units are normalized in skeleton string output
    • Time zone data (tzdata) version 2020d
  • Add the provides for libicu to Make .Net core can install successfully. (bsc#1167603, bsc#1161007)

  • Update to version 67.1

    • Unicode 13 (ICU-20893, same as in ICU 66)

      • Total of 5930 new characters
      • 4 new scripts
      • 55 new emoji characters, plus additional new sequences
      • New CJK extension, first characters in plane 3: U+30000..U+3134A
    • CLDR 37

      • New language at Modern coverage: Nigerian Pidgin
      • New languages at Basic coverage: Fulah (Adlam), Maithili, Manipuri, Santali, Sindhi (Devanagari), Sundanese
      • Region containment: EU no longer includes GB
      • Unicode…
Record
SUSE-SU-2023:3563-1
Updated
2026-11-02
OSVSUSE-SU-2023:3563-2 No score

Security update for icu73_2

This update for icu73_2 fixes the following issues:

  • Update to release 73.2

    • CLDR extends the support for “short” Chinese sort orders to cover some additional, required characters for Level 2. This is carried over into ICU collation.
    • ICU has a modified character conversion table, mapping some GB18030 characters to Unicode characters that were encoded after GB18030-2005.
  • fixes builds where UCHAR_TYPE is re-defined such as libqt5-qtwebengine

  • Update to release 73.1

    • Improved Japanese and Korean short-text line breaking
    • Reduction of C++ memory use in date formatting
  • Update to release 72.1

    • Support for Unicode 15, including new characters, scripts, emoji, and corresponding API constants.
    • Support for CLDR 42 locale data with various additions and corrections.
    • Shift to tzdb 2022e. Pre-1970 data for a number of timezones has been removed.
  • bump library packagename to libicu71 to match the version.

  • update to 71.1:

    • updates to CLDR 41 locale data with various additions and corrections.
    • phrase-based line breaking for Japanese. Existing line breaking methods follow standards and conventions for body text but do not work well for short Japanese text, such as in titles and headings. This new feature is optimized for these use cases.
    • support for Hindi written in Latin letters (hi_Latn). The CLDR data for this increasingly popular locale has been significantly revised and expanded. Note that based on user expectations, hi_Latn incorporates a large amount of English, and can also be referred to as “Hinglish”.
    • time zone data updated to version 2022a. Note that pre-1970 data for a number of time zones has been removed, as has been the case in the upstream tzdata release since 2021b.
  • ICU-21793 Fix ucptrietest golden diff [bsc#1192935]

  • Update to release 70.1:

    • Unicode 14 (new characters, scripts, emoji, and API constants)
    • CLDR 40 (many additions and corrections)
    • Fixes for measurement unit formatting
    • Can now be built with up to C++20 compilers
  • ICU-21613 Fix undefined behaviour in ComplexUnitsConverter::applyRounder

  • Update to release 69.1

    • CLDR 39
    • For Norwegian, 'no' is back to being the canonical code, with 'nb' treated as equivalent. This aligns handling of Norwegian with other macro language codes.
    • Binary prefixes in measurement units (KiB, MiB, etc.)
    • Time zone offsets from local time: New APIs BasicTimeZone::getOffsetFromLocal() (C++) and ucal_getTimeZoneOffsetFromLocal()
  • Backport ICU-21366 (bsc#1182645)

  • Update to release 68.2

    • Fix memory problem in FormattedStringBuilder
    • Fix assertion when setKeywordValue w/ long value.
    • Fix UBSan breakage on 8bit of rbbi
    • fix int32_t overflow in listFormat
    • Fix memory handling in MemoryPool::operator=()
    • Fix memory leak in AliasReplacer
  • Add back icu.keyring, see https://unicode-org.atlassian.net/browse/ICU-21361

  • Update to release 68.1

    • CLDR 38
    • Measurement unit preferences
    • PluralRules selection for ranges of numbers
    • Locale ID canonicalization now conforms to the CLDR spec including edge cases
    • DateIntervalFormat supports output options such as capitalization
    • Measurement units are normalized in skeleton string output
    • Time zone data (tzdata) version 2020d
  • Add the provides for libicu to Make .Net core can install successfully. (bsc#1167603, bsc#1161007)

  • Update to version 67.1

    • Unicode 13 (ICU-20893, same as in ICU 66)

      • Total of 5930 new characters
      • 4 new scripts
      • 55 new emoji characters, plus additional new sequences
      • New CJK extension, first characters in plane 3: U+30000..U+3134A
    • CLDR 37

      • New language at Modern coverage: Nigerian Pidgin
      • New languages at Basic coverage: Fulah (Adlam), Maithili, Manipuri, Santali, Sindhi (Devanagari), Sundanese
      • Region containment: EU no longer includes GB
      • Unicode…
Record
SUSE-SU-2023:3563-2
Updated
2026-11-02
OSVSUSE-SU-2023:3563-3 No score

Security update for icu73_2

This update for icu73_2 fixes the following issues:

  • Update to release 73.2

    • CLDR extends the support for “short” Chinese sort orders to cover some additional, required characters for Level 2. This is carried over into ICU collation.
    • ICU has a modified character conversion table, mapping some GB18030 characters to Unicode characters that were encoded after GB18030-2005.
  • fixes builds where UCHAR_TYPE is re-defined such as libqt5-qtwebengine

  • Update to release 73.1

    • Improved Japanese and Korean short-text line breaking
    • Reduction of C++ memory use in date formatting
  • Update to release 72.1

    • Support for Unicode 15, including new characters, scripts, emoji, and corresponding API constants.
    • Support for CLDR 42 locale data with various additions and corrections.
    • Shift to tzdb 2022e. Pre-1970 data for a number of timezones has been removed.
  • bump library packagename to libicu71 to match the version.

  • update to 71.1:

    • updates to CLDR 41 locale data with various additions and corrections.
    • phrase-based line breaking for Japanese. Existing line breaking methods follow standards and conventions for body text but do not work well for short Japanese text, such as in titles and headings. This new feature is optimized for these use cases.
    • support for Hindi written in Latin letters (hi_Latn). The CLDR data for this increasingly popular locale has been significantly revised and expanded. Note that based on user expectations, hi_Latn incorporates a large amount of English, and can also be referred to as “Hinglish”.
    • time zone data updated to version 2022a. Note that pre-1970 data for a number of time zones has been removed, as has been the case in the upstream tzdata release since 2021b.
  • ICU-21793 Fix ucptrietest golden diff [bsc#1192935]

  • Update to release 70.1:

    • Unicode 14 (new characters, scripts, emoji, and API constants)
    • CLDR 40 (many additions and corrections)
    • Fixes for measurement unit formatting
    • Can now be built with up to C++20 compilers
  • ICU-21613 Fix undefined behaviour in ComplexUnitsConverter::applyRounder

  • Update to release 69.1

    • CLDR 39
    • For Norwegian, 'no' is back to being the canonical code, with 'nb' treated as equivalent. This aligns handling of Norwegian with other macro language codes.
    • Binary prefixes in measurement units (KiB, MiB, etc.)
    • Time zone offsets from local time: New APIs BasicTimeZone::getOffsetFromLocal() (C++) and ucal_getTimeZoneOffsetFromLocal()
  • Backport ICU-21366 (bsc#1182645)

  • Update to release 68.2

    • Fix memory problem in FormattedStringBuilder
    • Fix assertion when setKeywordValue w/ long value.
    • Fix UBSan breakage on 8bit of rbbi
    • fix int32_t overflow in listFormat
    • Fix memory handling in MemoryPool::operator=()
    • Fix memory leak in AliasReplacer
  • Add back icu.keyring, see https://unicode-org.atlassian.net/browse/ICU-21361

Update to release 68.1:

  • CLDR 38
  • Measurement unit preferences
  • PluralRules selection for ranges of numbers
  • Locale ID canonicalization now conforms to the CLDR spec including edge cases
  • DateIntervalFormat supports output options such as capitalization
  • Measurement units are normalized in skeleton string output
  • Time zone data (tzdata) version 2020d
  • Add the provides for libicu to Make .Net core can install successfully. (bsc#1167603, bsc#1161007)

Update to version 67.1:

  • Unicode 13 (ICU-20893, same as in ICU 66)

    • Total of 5930 new characters
    • 4 new scripts
    • 55 new emoji characters, plus additional new sequences
    • New CJK extension, first characters in plane 3: U+30000..U+3134A
  • CLDR 37

    • New language at Modern coverage: Nigerian Pidgin
    • New languages at Basic coverage: Fulah (Adlam), Maithili, Manipuri, Santali, Sindhi (Devanagari), Sundanese
    • Region containment: EU no longer includes GB
    • Unicode 13…
Record
SUSE-SU-2023:3563-3
Updated
2026-11-02
OSVSUSE-SU-2025:02079-1 No score

Security update for icu

This update for icu fixes the following issues:

  • CVE-2025-5222: Stack buffer overflow in the SRBRoot:addTag function (bsc#1243721).
Record
SUSE-SU-2025:02079-1
Updated
2026-11-02
OSVUSN-5133-1 No score

A security issue was fixed in ICU

It was discovered that ICU contains a use after free issue. An attacker could use this issue to cause a denial of service with crafted input.

Record
USN-5133-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
icu
Alpine:v3.15
before 66.1-r0
66.1-r0
icu
Alpine:v3.16
before 66.1-r0
66.1-r0
icu
Alpine:v3.17
before 66.1-r0
66.1-r0
icu
Alpine:v3.18
before 66.1-r0
66.1-r0
icu
Alpine:v3.19
before 66.1-r0
66.1-r0
icu
Alpine:v3.20
before 66.1-r0
66.1-r0
icu
Alpine:v3.21
before 66.1-r0
66.1-r0
icu
Alpine:v3.22
before 66.1-r0
66.1-r0
icu
Alpine:v3.23
before 66.1-r0
66.1-r0
icu
Alpine:v3.24
before 66.1-r0
66.1-r0
Show 76 moreShow less
Affected packages
PackageAffectedFixed
icu
Debian:12
before 67.1-2
67.1-2
icu
Debian:13
before 67.1-2
67.1-2
icu
Debian:14
before 67.1-2
67.1-2
icu
Debian:9
before 57.1-6+deb9u5, plus listed versions
57.1-657.1-6+deb9u157.1-6+deb9u257.1-6+deb9u357.1-6+deb9u4
57.1-6+deb9u5
icu
Debian:10
before 63.1-6+deb10u2, plus listed versions
63.1-663.1-6+deb10u1
63.1-6+deb10u2
icu
openEuler:20.03-LTS-SP1
before 62.1-6.oe1
62.1-6.oe1
icu
openEuler:20.03-LTS-SP2
before 62.1-6.oe1
62.1-6.oe1
icu
SUSE:Linux Enterprise Software Development Kit 12 SP5
before 52.1-8.13.1
52.1-8.13.1
icu
SUSE:Linux Enterprise Server 12 SP5
before 52.1-8.13.1
52.1-8.13.1
icu
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
before 52.1-8.13.1
52.1-8.13.1
icu
SUSE:Linux Enterprise Workstation Extension 12 SP5
before 52.1-8.13.1
52.1-8.13.1
icu
SUSE:Linux Enterprise Module for Legacy 15 SP3
before 60.2-150000.3.12.1
60.2-150000.3.12.1
icu
SUSE:Linux Enterprise Module for Legacy 15 SP4
before 60.2-150000.3.12.1
60.2-150000.3.12.1
icu
openSUSE:Leap 15.3
before 60.2-150000.3.12.1
60.2-150000.3.12.1
icu
openSUSE:Leap 15.4
before 60.2-150000.3.12.1
60.2-150000.3.12.1
icu
SUSE:Linux Enterprise Module for Basesystem 15 SP3
before 65.1-150200.4.5.1
65.1-150200.4.5.1
icu
SUSE:Linux Enterprise Module for Basesystem 15 SP4
before 65.1-150200.4.5.1
65.1-150200.4.5.1
icu
SUSE:Linux Enterprise Module for Package Hub 15 SP3
before 65.1-150200.4.5.1
65.1-150200.4.5.1
icu
SUSE:Linux Enterprise Module for Package Hub 15 SP4
before 65.1-150200.4.5.1
65.1-150200.4.5.1
icu
SUSE:Linux Enterprise Micro 5.1
before 65.1-150200.4.5.1
65.1-150200.4.5.1
icu
SUSE:Linux Enterprise Micro 5.2
before 65.1-150200.4.5.1
65.1-150200.4.5.1
icu
openSUSE:Leap Micro 5.2
before 65.1-150200.4.5.1
65.1-150200.4.5.1
icu
openSUSE:Leap 15.3
before 65.1-150200.4.5.1
65.1-150200.4.5.1
icu
openSUSE:Leap 15.4
before 65.1-150200.4.5.1
65.1-150200.4.5.1
icu73_2
openSUSE:Leap Micro 5.2
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise Micro 5.3
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise Micro 5.4
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise Module for Basesystem 15 SP4
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise Module for Basesystem 15 SP5
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Manager Proxy 4.2
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Manager Server 4.2
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise Micro 5.1
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise Micro 5.2
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
openSUSE:Leap 15.4
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
openSUSE:Leap 15.5
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise High Performance Computing 15 SP3-ESPOS
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise Server 15 SP1-LTSS
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise Server 15 SP2-LTSS
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise Server 15 SP3-LTSS
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise Server for SAP Applications 15 SP1
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise Server for SAP Applications 15 SP2
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Linux Enterprise Server for SAP Applications 15 SP3
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Enterprise Storage 7
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
SUSE:Enterprise Storage 7.1
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
openSUSE:Leap Micro 5.3
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu73_2
openSUSE:Leap Micro 5.4
From an advisory covering 2 CVEs
before 73.2-150000.1.3.1
73.2-150000.1.3.1
icu
SUSE:Linux Enterprise Micro 5.3
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise Micro 5.4
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise Module for Basesystem 15 SP6
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise Module for Basesystem 15 SP7
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise Module for Package Hub 15 SP6
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise Module for Package Hub 15 SP7
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise Server 15 SP3-LTSS
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise Server 15 SP4-LTSS
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise Server 15 SP5-LTSS
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise Server for SAP Applications 15 SP3
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise Server for SAP Applications 15 SP5
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Manager Proxy 4.3
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Manager Server 4.3
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise Micro 5.1
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Linux Enterprise Micro 5.2
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
SUSE:Enterprise Storage 7.1
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
openSUSE:Leap 15.6
From an advisory covering 2 CVEs
before 65.1-150200.4.15.1
65.1-150200.4.15.1
icu
Ubuntu:Pro:14.04:LTS
before 52.1-3ubuntu0.8+esm2, plus listed versions
4.8.1.1-12ubuntu24.8.1.1-13+nmu14.8.1.1-13+nmu1ubuntu152.1-352.1-3ubuntu0.2
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52.1-3ubuntu0.352.1-3ubuntu0.452.1-3ubuntu0.552.1-3ubuntu0.652.1-3ubuntu0.752.1-3ubuntu0.852.1-3ubuntu0.8+esm1
52.1-3ubuntu0.8+esm2
icu
Ubuntu:Pro:16.04:LTS
before 55.1-7ubuntu0.5+esm1, plus listed versions
55.1-4ubuntu155.1-6ubuntu155.1-755.1-7ubuntu0.155.1-7ubuntu0.255.1-7ubuntu0.355.1-7ubuntu0.455.1-7ubuntu0.5
55.1-7ubuntu0.5+esm1
icu
Ubuntu:18.04:LTS
before 60.2-3ubuntu3.2, plus listed versions
57.1-659.1-3ubuntu160.1-1ubuntu260.2-1ubuntu160.2-3ubuntu160.2-3ubuntu360.2-3ubuntu3.1
60.2-3ubuntu3.2
icu
openSUSE:Tumbleweed
From an advisory covering 2 CVEs
before 73.2-2.1
73.2-2.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-21913 is a medium vulnerability (CVSS 5.5) in Unicode International Components For Unicode, published September 20, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.21%, the 68th percentile. Fixed in icu 66.1-r0.

References

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This page doesn't list everything

Left out here: the rest of 3 source descriptions. The JSON record has them.

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