4.3

CVE-2015-5144: canonical ubuntu_linux Improper Input Validation

Modified
AliasesGHSA-q5qw-4364-5hhmPYSEC-2015-10UBUNTU-CVE-2015-5144
Published 14-07-2015Last modified 06-08-2024

Vulnerability summary

CVE-2015-5144 is a medium (CVSS 4.3) Improper Input Validation vulnerability in canonical ubuntu_linux. EPSS estimates a 3.17% chance of exploitation in the next 30 days, higher than 88% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 8.7 (OSV · Pypi); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
3.17%
0%100%
Low · -0.50 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 4
DLA-272-1DSA-3305-1MGASA-2015-0293SUSE-SU-2015:1810-1SUSE-SU-2015:1815-1SUSE-SU-2016:0044-1

Timeline

  1. 14-07-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Django before 1.4.21, 1.5.x through 1.6.x, 1.7.x before 1.7.9, and 1.8.x before 1.8.3 uses an incorrect regular expression, which allows remote attackers to inject arbitrary headers and conduct HTTP response splitting attacks via a newline character in an (1) email message to the EmailValidator, a (2) URL to the URLValidator, or unspecified vectors to the (3) validate_ipv4_address or (4) validate_slug validator.

CVSS metrics

3 scores · 2 sources · 3 versions

EPSS trend

Probability

3.17%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

Decrease -0.50 pp

From 3.67% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Debian2 products
Canonical1 product
Djangoproject1 product
  • djangoEOL≤ 1.4.20 | 1.5 | 1.5:alpha | 1.5:beta | 1.5.1 | 1.5.2 | 1.5.3 | 1.5.4 | 1.5.5 | 1.5.6 | 1.5.7 | 1.5.8 | 1.5.9 | 1.5.10 | 1.5.11 | 1.5.12 | 1.6 | 1.6:beta1 | 1.6:beta2 | 1.6:beta3 | 1.6:beta4 | 1.6.1 | 1.6.2 | 1.6.3 | 1.6.4 | 1.6.5 | 1.6.6 | 1.6.7 | 1.6.8 | 1.6.9 | 1.6.10 | 1.7:beta1 | 1.7:beta2 | 1.7:beta3 | 1.7:beta4 | 1.7:rc1 | 1.7:rc2 | 1.7:rc3 | 1.7.1 | 1.7.2 | 1.7.3 | 1.7.4 | 1.7.5 | 1.7.6 | 1.7.7 | 1.7.8 | 1.7.9 | 1.8:beta1 | 1.8.0 | 1.8.1 | 1.8.2
Oracle1 product
PyPI1 product
  • django< 1.4.21 | ≥ 1.5, < 1.7.9 | ≥ 1.8a1, < 1.8.3 | ≥ 1.8, < 1.8.3
Ubuntu1 product
  • python-django< 1.6.1-2ubuntu0.9

6 vendors · 7 products

References

26 links
Show all 26 references