CVE-2020-35502

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-03-25 · updated 2026-06-17
Weakness: CWE-401

Description

A flaw was found in Privoxy in versions before 3.0.29. Memory leaks when a response is buffered and the buffer limit is reached or Privoxy is running out of memory can lead to a system crash.

Affected products

privoxy: before 3.0.29 — fixed in 3.0.29

How to fix

Upgrade to a fixed version: privoxy 3.0.29. Check the vendor advisory for mitigations.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1928749
https://security.gentoo.org/glsa/202107-16
https://www.privoxy.org/3.0.29/user-manual/whatsnew.html
https://bugzilla.redhat.com/show_bug.cgi?id=1928749
https://security.gentoo.org/glsa/202107-16
https://www.privoxy.org/3.0.29/user-manual/whatsnew.html

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