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HIGH

CVE-2020-36420

CVSS v3

7.5

HIGH

EPSS Score

1.9 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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

Technical details

Published
2021-07-15

Frequently asked questions

What is 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 no longer supported by the maintainer

Is CVE-2020-36420 actively exploited?

Active exploitation of CVE-2020-36420 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-36420?

CVE-2020-36420 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2020-36420 affecting your environment?

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