Is CVE-2009-3695 in the CISA KEV catalog?

No. CVE-2009-3695 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-3695?

CVE-2009-3695 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2009-3695?

CVE-2009-3695 has an EPSS score of 3.69% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2009-3695?

Upgrade python-django on debian 11 to 1.1.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2009-3695

MEDIUMEPSS 88th pctl

5.0

CVSS v2

NVD

Description

Algorithmic complexity vulnerability in the forms library in Django 1.0 before 1.0.4 and 1.1 before 1.1.1 allows remote attackers to cause a denial of service (CPU consumption) via a crafted (1) EmailField (email address) or (2) URLField (URL) that triggers a large amount of backtracking in a regular expression.

How to fix

Remediation Available

python-djangoDebian

Fixed in:1.1.1-1CVE-2009-3695

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

3.69%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Patch3

Vendor Advisory2

Other references5

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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.