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CVE-2020-21913

Good to know:

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Date: September 20, 2021

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.

Language: C++

Severity Score

Related Resources (9)

https://security.alpinelinux.org/vuln/CVE-2020-21913
https://www.debian.org/security/2021/dsa-5014
https://unicode-org.atlassian.net/browse/ICU-20850
https://security-tracker.debian.org/tracker/CVE-2020-21913
https://nvd.nist.gov/vuln/detail/CVE-2020-21913
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-21913
https://lists.debian.org/debian-lts-announce/2021/10/msg00008.html
https://github.com/unicode-org/icu/pull/886
https://www.mend.io/vulnerability-database/CVE-2020-21913

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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