Is CVE-2009-3305 in the CISA KEV catalog?

No. CVE-2009-3305 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-3305?

CVE-2009-3305 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2009-3305?

CVE-2009-3305 has an EPSS score of 10.07% (95th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2009-3305

MEDIUMEPSS 95th pctl

5.0

CVSS v2

NVD

Description

Polipo 1.0.4, and possibly other versions, allows remote attackers to cause a denial of service (crash) via a request with a Cache-Control header that lacks a value for the max-age field, which triggers a segmentation fault in the httpParseHeaders function in http_parse.c, and possibly other unspecified vectors.

CWE-20Improper Input Validation

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

10.07%probability of exploitation in 30 days

95thpercentile

Very high risk: more likely to be exploited than 95% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.