PT-2021-24127 · Privoxy+5 · Privoxy+5

Published 2021-12-13 · Updated 2025-10-02 · CVE-2021-44540

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions: Privoxy (affected versions not specified)

Description: A vulnerability was found in Privoxy, which was fixed by freeing the memory of the compiled pattern spec before bailing in the get url spec param() function.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Memory Leak

Weakness Enumeration

CWE-20

CWE-401

Related Identifiers

ALT-PU-2021-3560

ALT-PU-2022-2439

ALT-PU-2024-13795

BDU:2025-12569

CVE-2021-44540

DLA-2844-1

MGASA-2021-0570

OPENSUSE-SU-2021:1646-1

OPENSUSE-SU-2021_1646-1

OPENSUSE-SU-2022:10186-1

OPENSUSE-SU-2024:11677-1

USN-5826-1

Affected Products

Alt Linux

Linuxmint

Privoxy

Red Os

Suse

Ubuntu

References · 37

• https://nvd.nist.gov/vuln/detail/CVE-2021-44540 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-44540 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-44540 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-44543 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/673083 · Security Note
• https://advisories.mageia.org/MGASA-2021-0570.html · Security Note
• https://osv.dev/vulnerability/ALPINE-CVE-2021-44540 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-44540 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2844-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5826-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5826-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:1646-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-44540 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11677-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-44540 · Vendor Advisory