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CVE-2020-36420: Polipo through 1.1.1, when NDEBUG is omitted, allows denial of service via a reachable assertion during parsing of a malformed Range header. NOTE: This vulnerability only affects products that are ...

CVE-2020-36420 · published 5 years ago

Summary

Polipo through 1.1.1, when NDEBUG is omitted, allows denial of service via a reachable assertion during parsing of a malformed Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
polipo_project	polipo	<= 1.1.1 `cpe:2.3:a:polipo_project:polipo::::::::`

Original advisory text

References

http://www.openwall.com/lists/oss-security/2021/07/18/1 Mailing List Third Party Advisory
https://bugs.gentoo.org/755896 Exploit Issue Tracking Patch Third Party Advisory
https://github.com/jech/polipo/commit/4d42ca1b5849518762d110f34b6ce2e03d6df9ec Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/11/18/1 Exploit Mailing List Third Party Advisory

Fix within

Internet-facing 60 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit
Gives an attacker partial control

Severity

7.5 High

Exploitation

2% chance of attack within 30 days

Type

CWE-617Reachable Assertion

Timeline

Published15 Jul 2021

Updated3 Nov 2026

First seen29 Sep 2026

Sources

CVE-2020-36420 · NVD

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