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CVE-2021-44543

Medium priority

Some fixes available 2 of 6

An XSS vulnerability was found in Privoxy which was fixed in cgi_error_no_template() by encode the template name when Privoxy is configured to servce the user-manual itself.

1 affected package

privoxy

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
privoxy Not affected Not affected Fixed Fixed Vulnerable
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CVE-2021-44542

Medium priority
Ignored

A memory leak vulnerability was found in Privoxy when handling errors.

1 affected package

privoxy

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
privoxy Not affected Not affected Not affected Not affected
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CVE-2021-44541

Medium priority
Ignored

A vulnerability was found in Privoxy which was fixed in process_encrypted_request_headers() by freeing header memory when failing to get the request destination.

1 affected package

privoxy

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
privoxy Not affected Not affected Not affected Not affected
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CVE-2021-44540

Medium priority

Some fixes available 2 of 6

A vulnerability was found in Privoxy which was fixed in get_url_spec_param() by freeing memory of compiled pattern spec before bailing.

1 affected package

privoxy

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
privoxy Not affected Not affected Fixed Fixed Needs evaluation
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CVE-2021-20276

Medium priority

Some fixes available 5 of 7

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.

1 affected package

privoxy

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
privoxy Not affected Fixed Fixed Fixed
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CVE-2021-20275

Medium priority

Some fixes available 5 of 7

A flaw was found in privoxy before 3.0.32. A invalid read of size two may occur in chunked_body_is_complete() leading to denial of service.

1 affected package

privoxy

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
privoxy Not affected Fixed Fixed Fixed
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CVE-2021-20274

Medium priority
Not affected

A flaw was found in privoxy before 3.0.32. A crash may occur due a NULL-pointer dereference when the socks server misbehaves.

1 affected package

privoxy

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
privoxy Not affected Not affected Not affected
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CVE-2021-20273

Medium priority

Some fixes available 5 of 7

A flaw was found in privoxy before 3.0.32. A crash can occur via a crafted CGI request if Privoxy is toggled off.

1 affected package

privoxy

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
privoxy Not affected Fixed Fixed Fixed
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CVE-2021-20272

Medium priority

Some fixes available 5 of 7

A flaw was found in privoxy before 3.0.32. An assertion failure could be triggered with a crafted CGI request leading to server crash.

1 affected package

privoxy

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
privoxy Not affected Fixed Fixed Fixed
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CVE-2021-20217

Low priority

Some fixes available 5 of 7

A flaw was found in Privoxy in versions before 3.0.31. An assertion failure triggered by a crafted CGI request may lead to denial of service. The highest threat from this vulnerability is to system availability.

1 affected package

privoxy

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS
privoxy Not affected Fixed Fixed Fixed
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