CVE-2009-3695
python-django - denial of service
7.5
HIGH
CVSS 3.1
EPSS 6.2%
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 CVE-2009-3695
To remediate CVE-2009-3695, upgrade the affected package to a fixed version below.
- —upgrade to 1.1.1-1 or later
- —upgrade to 1.0.2-1+lenny2 or later
- —upgrade to 1.0.4 or later
- —upgrade to 1.0.4 or later
Is CVE-2009-3695 being exploited?
Moderate — EPSS is 6.2%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (4)
- from 0, < 1.1.1-1
- from 0, < 1.0.2-1+lenny2
- >= 1.0, < 1.0.4
- >= 1.0, < 1.0.4, >= 1.1, < 1.1.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |