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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