{"cve":"CVE-2015-5144","nvd":{"published":"2015-07-14T17:59:07.493","modified":"2026-06-17T00:28:32.970","status":"Modified","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_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172084.html","http://lists.opensuse.org/opensuse-updates/2015-10/msg00043.html","http://lists.opensuse.org/opensuse-updates/2015-10/msg00046.html","http://www.debian.org/security/2015/dsa-3305","http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html"],"products":["canonical:ubuntu_linux","debian:debian_linux","djangoproject:django","oracle:solaris"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-5144","score":0.03168,"percentile":0.88013,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-q5qw-4364-5hhm","url":"https://osv.dev/vulnerability/GHSA-q5qw-4364-5hhm","summary":"Django Vulnerable to HTTP Response Splitting Attack","modified":"2025-02-19T05:41:17.309735Z","packages":[{"ecosystem":"PyPI","name":"django","purl":"pkg:pypi/django","ranges":["<1.4.21"],"fixed":["1.4.21"]},{"ecosystem":"PyPI","name":"django","purl":"pkg:pypi/django","ranges":[">=1.5 <1.7.9"],"fixed":["1.7.9"]},{"ecosystem":"PyPI","name":"django","purl":"pkg:pypi/django","ranges":[">=1.8a1 <1.8.3"],"fixed":["1.8.3"]}]},{"id":"PYSEC-2015-10","url":"https://osv.dev/vulnerability/PYSEC-2015-10","summary":"","modified":"2026-06-10T17:00:55.930225660Z","packages":[{"ecosystem":"PyPI","name":"django","purl":"pkg:pypi/django","ranges":["<1.4.21",">=1.5 <1.7.9",">=1.8 <1.8.3"],"fixed":["1.4.21","1.7.9","1.8.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}