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Vulnerability Database · Alpine · privoxy · Version

privoxy 3.0.18-r0

3.0.18-r0 is affected by 34 vulnerabilities.

The vulnerabilities that cover this exact version are listed below with the fixed version to move to.

Critical 0 High 32 Medium 2 Low 0 Unrated 0

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Database updated 23/Oct/2026

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01 Vulnerabilities affecting this version

privoxy 3.0.18-r0 vulnerabilities

34 vulnerabilities cover privoxy 3.0.18-r0. Scroll the table for all of them, or open the full list in the database.

Vulnerability Severity Fixed version Disclosed
Memory Leak Vulnerability in Privoxy: CVE-2021-44542 7.5 high 3.0.33-r0 23 Dec 2021
Memory Leak Vulnerability in Privoxy 7.5 high 3.0.33-r0 23 Dec 2021
Critical Memory Management Vulnerability in Privoxy 7.5 high 3.0.33-r0 23 Dec 2021
Memory Management Vulnerability in Privoxy: CVE-2021-44540 7.5 high 3.0.33-r0 23 Dec 2021
Vulnerability in Privoxy: CVE-2021-44541 7.5 high 3.0.33-r0 23 Dec 2021
Vulnerability in Privoxy: CVE-2021-44540 7.5 high 3.0.33-r0 23 Dec 2021
Critical Memory Leak Vulnerability in Privoxy: CVE-2021-20215 7.5 high 3.0.29-r0 25 Mar 2021
Memory Leak Vulnerability in Privoxy: Impacting Versions Prior to 3.0.29 7.5 high 3.0.29-r0 25 Mar 2021
Memory Leak Vulnerability in Privoxy: Denial of Service Risk 7.5 high 3.0.31-r0 25 Mar 2021
Denial of Service Vulnerability in Privoxy: Assertion Failure in CGI Requests 7.5 high 3.0.31-r0 25 Mar 2021
Denial of Service Vulnerability in Privoxy 7.5 high 3.0.31-r0 25 Mar 2021
Memory Leak Denial of Service in Privoxy 7.5 high 3.0.31-r0 25 Mar 2021
Memory Leak in Privoxy (CVE-2021-20215) 7.5 high 3.0.29-r0 25 Mar 2021
Memory Leak in Privoxy Client-Tags CGI Handler (CVE-2021-20214) 7.5 high 3.0.29-r0 25 Mar 2021
Memory Leak Vulnerability in Privoxy 7.5 high 3.0.29-r0 25 Mar 2021
Critical NULL Pointer Dereference Vulnerability in Privoxy 7.5 high 3.0.29-r0 25 Mar 2021
Memory Leak Vulnerability in Privoxy: CVE-2021-20212 7.5 high 3.0.29-r0 25 Mar 2021
Memory Leak Vulnerability in Privoxy: CVE-2021-20211 7.5 high 3.0.29-r0 25 Mar 2021
Memory Leak Vulnerability in Privoxy: Impacting Versions Prior to 3.0.29 7.5 high 3.0.29-r0 25 Mar 2021
Null Pointer Dereference in Privoxy 7.5 high 3.0.29-r0 25 Mar 2021
Memory Leak Vulnerability in Privoxy 7.5 high 3.0.29-r0 25 Mar 2021
Memory Leak in Privoxy show-status CGI Handler (CVE-2021-20210) 7.5 high 3.0.29-r0 25 Mar 2021
Memory Access Vulnerability in Privoxy 7.5 high 3.0.32-r0 09 Mar 2021
Denial of Service Vulnerability in Privoxy: CVE-2021-20276 7.5 high 3.0.32-r0 09 Mar 2021
CVE-2021-20275: Denial of Service in privoxy 7.5 high 3.0.32-r0 09 Mar 2021
CVE-2021-20274: Privoxy NULL-Pointer Dereference Vulnerability 7.5 high 3.0.32-r0 09 Mar 2021
CVE-2021-20273: Privoxy CGI Request Crafted Crash Vulnerability 7.5 high 3.0.32-r0 09 Mar 2021
Privoxy Privilege Escalation Vulnerability (CVE-2021-20272) 7.5 high 3.0.32-r0 09 Mar 2021
Critical Assertion Failure in Privoxy Package Leading to Server Crash 7.5 high 3.0.32-r0 09 Mar 2021
Privoxy Crash Vulnerability - CVE-2021-20273 7.5 high 3.0.32-r0 09 Mar 2021
Critical NULL-Pointer Dereference Vulnerability in Privoxy 7.5 high 3.0.32-r0 09 Mar 2021
Denial of Service Vulnerability in Privoxy: CVE-2021-20275 7.5 high 3.0.32-r0 09 Mar 2021
XSS Vulnerability in Privoxy 6.1 medium 3.0.33-r0 23 Dec 2021
XSS Vulnerability in Privoxy: Security Flaw in User Manual Handling 6.1 medium 3.0.33-r0 23 Dec 2021

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Questions

About privoxy 3.0.18-r0

Is privoxy 3.0.18-r0 vulnerable?

Yes. 34 vulnerabilities in the Vulert database cover privoxy 3.0.18-r0: 0 critical, 32 high, 2 medium and 0 low. Each entry above names the fixed version to move to.

How do I monitor privoxy for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the privoxy version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.