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CVE-2021-20227

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Date: March 23, 2021

A flaw was found in SQLite's SELECT query functionality (src/select.c). This flaw allows an attacker who is capable of running SQL queries locally on the SQLite database to cause a denial of service or possible code execution by triggering a use-after-free. The highest threat from this vulnerability is to system availability.

Language: C

Severity Score

Related Resources (13)

https://www.sqlite.org/releaselog/3_34_1.html
https://www.oracle.com/security-alerts/cpuApr2021.html
https://security.gentoo.org/glsa/202103-04
https://security.gentoo.org/glsa/202210-40
https://security.alpinelinux.org/vuln/CVE-2021-20227
https://www.oracle.com//security-alerts/cpujul2021.html
https://bugzilla.redhat.com/show_bug.cgi?id=1924886
https://security-tracker.debian.org/tracker/CVE-2021-20227
https://security.netapp.com/advisory/ntap-20210423-0010/
https://nvd.nist.gov/vuln/detail/CVE-2021-20227
https://www.oracle.com/security-alerts/cpuoct2021.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-20227
https://www.mend.io/vulnerability-database/CVE-2021-20227

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): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

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

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