Memory Leak Vulnerability in Privoxy Prior to Version 3.0.29
CVE-2021-20212

7.5HIGH

Key Information:

Vendor

Privoxy

Status
Privoxy
Vendor
CVE Published:
25 March 2021

What is CVE-2021-20212?

A memory leak vulnerability has been identified in Privoxy prior to version 3.0.29. This flaw occurs when multiple filters are executed, but the last one is skipped due to a PCRE error. This can lead to excessive memory consumption and ultimately result in a system crash, creating potential security risks for users who rely on this software for web privacy.

Affected Version(s)

privoxy Privoxy 3.0.29

References

https://www.privoxy.org/3.0.29/user-manual/whatsnew.html
x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=1928736
x_refsource_MISC
https://security.gentoo.org/glsa/202107-16
vendor-advisoryx_refsource_GENTOO

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.