PT-2021-13868 · Privoxy+4 · Privoxy+4

Pedro Sampaio · Published 2021-03-09 · Updated 2024-10-14 · CVE-2021-20276

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: privoxy versions prior to 3.0.32

Description: A flaw was found in the software, where invalid memory access with an invalid pattern passed to the pcre compile() function may lead to denial of service.

Recommendations: For versions prior to 3.0.32, update to version 3.0.32 or later to resolve the issue. As a temporary workaround, consider restricting the input to the pcre compile() function to prevent invalid patterns from being processed.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2021-1574

ALT-PU-2024-13795

CVE-2021-20276

DLA-2587-1

OPENSUSE-SU-2021:0443-1

OPENSUSE-SU-2021:0460-1

OPENSUSE-SU-2021_0443-1

OPENSUSE-SU-2024:11193-1

USN-4886-1

Affected Products

Alt Linux

Linuxmint

Privoxy

Suse

Ubuntu

References · 46

• https://nvd.nist.gov/vuln/detail/CVE-2021-20276 · Security Note
• https://osv.dev/vulnerability/USN-4886-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-20272 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-20211 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-20276 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-20209 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-20273 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-20276 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2021-20276 · Vendor Advisory
• https://security.gentoo.org/glsa/202107-16 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-20275 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-20213 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-20215 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:0460-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:0443-1 · Vendor Advisory