CVE-2009-3695

NameCVE-2009-3695
DescriptionAlgorithmic 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-1905-1
Debian Bugs550457

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python-django (PTS)jessie, jessie (lts)1.7.11-1+deb8u17fixed
stretch (security)1:1.10.7-2+deb9u17fixed
stretch (lts), stretch1:1.10.7-2+deb9u23fixed
buster, buster (lts)1:1.11.29-1+deb10u12fixed
buster (security)1:1.11.29-1+deb10u11fixed
bullseye (security), bullseye2:2.2.28-1~deb11u2fixed
bookworm (security), bookworm3:3.2.19-1+deb12u1fixed
sid, trixie3:4.2.16-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python-djangosourceetch(not affected)
python-djangosourcelenny1.0.2-1+lenny2
python-djangosource(unstable)1.1.1-1medium550457

Notes

[etch] - python-django <not-affected> (introduced in 1.0)

Search for package or bug name: Reporting problems