CVE-2021-20276

HIGH
7.5
CVSS Score
Published: March 9, 2021 at 01:12 PM UTC
Updated: June 17, 2026 at 03:33 AM UTC
2 products affected across 2 vendorsDebian LinuxPrivoxy

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

Description

A flaw was found in privoxy before 3.0.32. Invalid memory access with an invalid pattern passed to pcre_compile() may lead to denial of service.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3.0.323.0.32
Affected range stops below 3.0.32, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (4)

x_refsource_MISCIssue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1936668
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00009.html
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/202107-16
x_refsource_MISCRelease NotesVendor Advisory
https://www.privoxy.org/announce.txt

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119NVD-CWE-noinfo

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