CVE-2020-36420

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Published Jul 14, 2021 CVSS 3.1 · 7.5 High EPSS 1.9% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:polipo_project:polipo:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.9% (1.901% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
http://www.openwall.com/lists/oss-security/2021/07/18/1
https://bugs.gentoo.org/755896
https://github.com/jech/polipo/commit/4d42ca1b5849518762d110f34b6ce2e03d6df9ec
https://www.openwall.com/lists/oss-security/2020/11/18/1

History

Feb 23, 2026 8:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Polipo Project Polipo

Weaknesses

CWE-617

Sources

CVE record Updated: Aug 4, 2024, 5:30 PM

Status: PUBLISHED
Assigner: mitre
Published: Jul 14, 2021, 11:23 PM
Updated: Aug 4, 2024, 5:30 PM
Reserved: Jul 14, 2021, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 4, 2024, 5:30 PM

Updated: Aug 4, 2024, 5:30 PM

NVD Updated: Jun 17, 2026, 3:15 AM

Status: Modified
Published: Jul 15, 2021, 12:15 AM
Modified: Jun 17, 2026, 3:15 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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