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CVE-2021-20211

Good to know:

Date: March 25, 2021

A flaw was found in Privoxy in versions before 3.0.29. Memory leak when client tags are active can cause a system crash.

Language: C

Severity Score

7.5

Related Resources (8)

Url: https://www.privoxy.org/3.0.29/user-manual/whatsnew.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-20211

Url: https://security.alpinelinux.org/vuln/CVE-2021-20211

Url: https://security-tracker.debian.org/tracker/CVE-2021-20211

Url: https://security.gentoo.org/glsa/202107-16

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-20211

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1928733

Url: https://www.mend.io/vulnerability-database/CVE-2021-20211

Severity Score

7.5

Weakness Type (CWE)

Missing Release of Memory after Effective Lifetime

CWE-401

Top Fix

Upgrade Version

Upgrade to version 3.0.29

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	7.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	COMPLETE
Additional information:

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