Privoxy Security Vulnerabilities (CVEs)

Track 9 security vulnerabilities affecting Privoxy products and software. Get instant email alerts when new CVEs are discovered, automated security monitoring, and patch guidance.

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CVE-2021-44541 7.5

This vulnerability in Privoxy is a memory management flaw in the process_encrypted_request_headers() function where header memory isn't properly freed...

Dec 23, 2021
CVE-2021-20215 7.5

This vulnerability in Privoxy versions before 3.0.29 involves memory leaks in the show-status CGI handler when memory allocations fail, which can lead...

Mar 25, 2021
CVE-2021-20217 7.5

This vulnerability in Privoxy allows attackers to trigger an assertion failure via a crafted CGI request, causing a denial of service. Systems running...

Mar 25, 2021
CVE-2020-35502 7.5

This vulnerability in Privoxy versions before 3.0.29 involves memory leaks that occur when response buffering reaches limits or during low memory cond...

Mar 25, 2021
CVE-2021-20211 7.5

A memory leak vulnerability in Privoxy versions before 3.0.29 when client tags are active can cause the application to crash, leading to denial of ser...

Mar 25, 2021
CVE-2021-20213 7.5

This vulnerability in Privoxy allows a denial-of-service attack when specific conditions are met. If accept-intercepted-requests is enabled and Privox...

Mar 25, 2021
CVE-2021-20276 7.5

This vulnerability in Privoxy allows an attacker to cause denial of service by passing invalid patterns to the pcre_compile() function, leading to inv...

Mar 9, 2021
CVE-2021-20272 7.5

This vulnerability in Privoxy allows remote attackers to crash the proxy server by sending a specially crafted CGI request that triggers an assertion ...

Mar 9, 2021
CVE-2021-20274 7.5

This vulnerability in Privoxy allows a crash due to a NULL-pointer dereference when the SOCKS server behaves unexpectedly. It affects Privoxy versions...

Mar 9, 2021

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