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CVE-2015-5144

15
FAUCET Score

CVE-2015-5144 describes a vulnerability in Django versions prior to 1.4.21, 1.6.x, 1.7.9, and 1.8.3, where an incorrect regular expression allows remote attackers to inject arbitrary HTTP headers and conduct response splitting attacks. This is achieved by injecting newline characters into email messages, URLs, or other validated inputs. The vulnerability has a CVSS score of 4.3, indicating a medium severity with low impact (partial integrity compromise) and medium attack complexity, requiring no authentication. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
15.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
15.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
<= 1.4.20CPE matchmatch criteria
cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.67%
Probability of exploitation in next 30 days
EPSS Percentile
88.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0367 is in the 84th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

pippatch availablevia ghsa
Product: djangoFixed in: 1.4.21
pippatch availablevia ghsa
Product: DjangoFixed in: 1.7.9
pippatch availablevia ghsa
Product: DjangoFixed in: 1.8.3
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)Fixed in: python-django
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 6 (Juno)Fixed in: python-django
redhatend of lifevia redhat_api
Product: Red Hat Subscription Asset ManagerFixed in: Django

Vendor Advisories (2)

pipGHSA-q5qw-4364-5hhmhigh

Django Vulnerable to HTTP Response Splitting Attack

May 17, 2022
redhatCVE-2015-5144Moderate

Django: possible header injection due to validators accepting newlines in input

Jul 8, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2015-November/172084.html
lists.opensuse.org / opensuse-updates/2015-10/msg00043.html
lists.opensuse.org / opensuse-updates/2015-10/msg00046.html
security.gentoo.org / glsa/201510-06
djangoproject.com / weblog/2015/jul/08/security-releases
Vendor Advisory
debian.org / security/2015/dsa-3305
Third Party Advisory
oracle.com / technetwork/topics/security/bulletinoct2015-2511968.html
Third Party Advisory
securityfocus.com / bid/75665
securitytracker.com / id/1032820
ubuntu.com / usn/USN-2671-1
Third Party Advisory