High severity7.5NVD Advisory· Published Mar 25, 2021· Updated Jun 17, 2026

CVE-2021-20212

Description

A flaw was found in Privoxy in versions before 3.0.29. Memory leak if multiple filters are executed and the last one is skipped due to a pcre error leading to a system crash.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Privoxy/Privoxy3 versions
cpe:2.3:a:privoxy:privoxy:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:privoxy:privoxy:*:*:*:*:*:*:*:*range: <3.0.29
- (no CPE)range: <3.0.29
- (no CPE)range: Privoxy 3.0.29

Patches

Vulnerability mechanics

References

bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
security.gentoo.org/glsa/202107-16nvdThird Party Advisory
www.privoxy.org/3.0.29/user-manual/whatsnew.htmlnvdRelease NotesVendor Advisory

News mentions

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cvss	0.488
epss	0.002
exploit	0.000
kev	0.000
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ransomware	0.000