{"id":"CVE-2015-5144","aliases":["DEBIAN-CVE-2015-5144","DLA-272-1","DSA-3305-1","EUVD-2015-0005","GHSA-q5qw-4364-5hhm","MGASA-2015-0293","PYSEC-2015-10","SUSE-SU-2015:1810-1","SUSE-SU-2015:1815-1","SUSE-SU-2016:0044-1","UBUNTU-CVE-2015-5144","USN-2671-1"],"status":"published","title":"Django Vulnerable to HTTP Response Splitting Attack","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.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03168,"percentile":0.88094,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2015-07-08T00:00:00Z","modified":"2026-09-09T06:47:21Z","fixes":[{"ecosystem":"PyPI","package":"django","fixed_in":["1.4.21","1.7.9","1.8.3"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"python-django","fixed_in":["1.7.9-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"python-django","fixed_in":["1.7.9-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"python-django","fixed_in":["1.7.9-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"python-django","fixed_in":["1.6.1-2ubuntu0.9"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.21"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.5"},{"fixed":"1.7.9"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.8a1"},{"fixed":"1.8.3"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"python-django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.9-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"python-django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.9-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"python-django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.9-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"python-django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.3-3+squeeze13"}]}],"versions":["1.2.3-3","1.2.3-3+squeeze1","1.2.3-3+squeeze10","1.2.3-3+squeeze11","1.2.3-3+squeeze12","1.2.3-3+squeeze2","1.2.3-3+squeeze3","1.2.3-3+squeeze5","1.2.3-3+squeeze6","1.2.3-3+squeeze7","1.2.3-3+squeeze8","1.2.3-3+squeeze9"],"bundled":3},{"source":"osv","ecosystem":"Debian:7","package":"python-django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.5-1+deb7u12"}]}],"versions":["1.4.5-1","1.4.5-1+deb7u1","1.4.5-1+deb7u10","1.4.5-1+deb7u11","1.4.5-1+deb7u11~bpo60+1","1.4.5-1+deb7u2","1.4.5-1+deb7u3","1.4.5-1+deb7u4","1.4.5-1+deb7u4~bpo60+1","1.4.5-1+deb7u5","1.4.5-1+deb7u6","1.4.5-1+deb7u7","1.4.5-1+deb7u7~bpo60+1","1.4.5-1+deb7u8","1.4.5-1+deb7u8~bpo60+1","1.4.5-1+deb7u9"],"bundled":2},{"source":"osv","ecosystem":"Debian:8","package":"python-django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.7-1+deb8u1"}]}],"versions":["1.7.7-1"],"bundled":2},{"source":"osv","ecosystem":"PyPI","package":"django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.21"}]}],"versions":["1.0.1","1.0.2","1.0.3","1.0.4","1.1","1.1.1","1.1.2","1.1.3","1.1.4","1.2","1.2.1","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.3","1.3.1","1.3.2","1.3.3","1.3.4","1.3.5","1.3.6","1.3.7","1.4","1.4.1","1.4.10","1.4.11","1.4.12","1.4.13","1.4.14","1.4.15","1.4.16","1.4.17","1.4.18","1.4.19","1.4.2","1.4.20","1.4.3","1.4.4","1.4.5","1.4.6","1.4.7","1.4.8","1.4.9"]},{"source":"osv","ecosystem":"PyPI","package":"django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.5"},{"fixed":"1.7.9"}]}],"versions":["1.5","1.5.1","1.5.10","1.5.11","1.5.12","1.5.2","1.5.3","1.5.4","1.5.5","1.5.6","1.5.7","1.5.8","1.5.9","1.6","1.6.1","1.6.10","1.6.11","1.6.2","1.6.3","1.6.4","1.6.5","1.6.6","1.6.7","1.6.8","1.6.9","1.7","1.7.1","1.7.2","1.7.3","1.7.4","1.7.5","1.7.6","1.7.7","1.7.8"]},{"source":"osv","ecosystem":"PyPI","package":"django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.8a1"},{"fixed":"1.8.3"}]}],"versions":["1.8","1.8.1","1.8.2","1.8a1","1.8b1","1.8b2","1.8c1"]},{"source":"osv","ecosystem":"Mageia:4","package":"python-django14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.21-1.mga4"}]}],"bundled":3},{"source":"osv","ecosystem":"Mageia:5","package":"python-django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.3-1.mga5"}]}],"bundled":3},{"source":"osv","ecosystem":"PyPI","package":"django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.21"},{"introduced":"1.5"},{"fixed":"1.7.9"},{"introduced":"1.8"},{"fixed":"1.8.3"}]}],"versions":["1.0.1","1.0.2","1.0.3","1.0.4","1.1","1.1.1","1.1.2","1.1.3","1.1.4","1.2","1.2.1","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.3","1.3.1","1.3.2","1.3.3","1.3.4","1.3.5","1.3.6","1.3.7","1.4","1.4.1","1.4.10","1.4.11","1.4.12","1.4.13","1.4.14","1.4.15","1.4.16","1.4.17","1.4.18","1.4.19","1.4.2","1.4.20","1.4.3","1.4.4","1.4.5","1.4.6","1.4.7","1.4.8","1.4.9","1.5","1.5.1","1.5.10","1.5.11","1.5.12","1.5.2","1.5.3","1.5.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Advisory","advisory","web","article","report"]},{"url":"http://lists.opensuse.org/opensuse-updates/2015-10/msg00043.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2015-10/msg00046.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://www.debian.org/security/2015/dsa-3305","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory","web"]},{"url":"http://www.securityfocus.com/bid/75665","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.ubuntu.com/usn/USN-2671-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory","web"]},{"url":"http://www.securitytracker.com/id/1032820","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-5144","tags":["advisory"]},{"url":"https://github.com/django/django/commit/1ba1cdce7d58e6740fe51955d945b56ae51d072a","tags":["web"]},{"url":"https://github.com/django/django/commit/574dd5e0b0fbb877ae5827b1603d298edc9bb2a0","tags":["web"]},{"url":"https://github.com/django/django/commit/ae49b4d994656bc037513dcd064cb9ce5bb85649","tags":["web"]},{"url":"https://github.com/django/django/blob/4555a823fd57e261e1b19c778429473256c8ea08/docs/releases/1.4.21.txt#L30-L54","tags":["web"]},{"url":"https://web.archive.org/web/20150924150801/http://www.securitytracker.com/id/1032820","tags":["web"]},{"url":"https://web.archive.org/web/20200228050526/http://www.securityfocus.com/bid/75665","tags":["web"]},{"url":"https://github.com/django/django/commit/8f9a4d3a2bc42f14bb437defd30c7315adbff22c","tags":["web"]},{"url":"https://www.djangoproject.com/weblog/2015/jul/08/security-releases","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2015-10.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-q5qw-4364-5hhm","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-5144","tags":["advisory"]},{"url":"https://github.com/django/django","tags":["web"]},{"url":"https://advisories.mageia.org/MGASA-2015-0293.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=16334","tags":["report"]},{"url":"https://www.debian.org/security/2015/dsa-3305","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2015/suse-su-20151810-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/937522","tags":["report"]},{"url":"https://bugzilla.suse.com/937523","tags":["report"]},{"url":"https://bugzilla.suse.com/941587","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2015-5143","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-5144","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-5963","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2015/suse-su-20151815-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2016/suse-su-20160044-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/955412","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8213","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2015-5144","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-2671-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-5144","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-5143","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-5144","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.","status":"published","published":"2015-07-14T17:00:00Z","modified":"2024-08-06T06:32:32.919Z","updated_at":"2026-11-02T14:35:40.217028Z"}],"euvd":[{"id":"EUVD-2015-0005","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.","status":"published","published":"2015-07-14T17:00:00Z","modified":"2024-08-06T06:32:32Z","updated_at":"2026-11-03T02:22:01.747886Z"}],"ghsa":[{"id":"GHSA-q5qw-4364-5hhm","title":"Django Vulnerable to HTTP Response Splitting Attack","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.","status":"published","published":"2022-05-17T00:48:30Z","modified":"2024-09-18T16:19:05Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:38:03.800952Z"}],"nvd":[{"id":"CVE-2015-5144","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.","status":"published","published":"2015-07-14T17:59:07.493Z","modified":"2026-06-17T00:28:32.97Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:07.96297Z"}],"osv":[{"id":"GHSA-q5qw-4364-5hhm","title":"Django Vulnerable to HTTP Response Splitting Attack","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.","status":"published","published":"2022-05-17T00:48:30Z","modified":"2025-02-19T05:41:17.309735Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:54.055966Z"},{"id":"CVE-2015-5144","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.","status":"published","published":"2015-07-14T17:59:07Z","modified":"2026-04-16T06:16:35.618287648Z","updated_at":"2026-11-02T15:44:00.594921Z"},{"id":"DEBIAN-CVE-2015-5144","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.","status":"published","published":"2015-07-14T17:59:07.493Z","modified":"2026-09-09T06:47:21.6563536Z","updated_at":"2026-11-02T15:45:26.752992Z"},{"id":"DLA-272-1","title":"python-django - security update","status":"published","published":"2015-07-16T00:00:00Z","modified":"2026-03-09T01:21:00.129847Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"DSA-3305-1","title":"python-django - security update","status":"published","published":"2015-07-08T00:00:00Z","modified":"2026-03-09T01:20:44.175145Z","updated_at":"2026-11-02T15:46:16.199525Z"},{"id":"MGASA-2015-0293","title":"Updated python-django and python-django14 packages fix security vulnerabilities","description":"Eric Peterson and Lin Hua Cheng discovered that a new empty record used to be\ncreated in the session storage every time a session was accessed and an\nunknown session key was provided in the request cookie. This could allow\nremote attackers to saturate the session store or cause other users' session\nrecords to be evicted (CVE-2015-5143).\n\nSjoerd Job Postmus discovered that some built-in validators did not properly\nreject newlines in input values. This could allow remote attackers to inject\nheaders in emails and HTTP responses (CVE-2015-5144).\n\ndjango.core.validators.URLValidator included a regular expression that was\nextremely slow to evaluate against certain inputs. This regular expression has\nbeen simplified and optimized (CVE-2015-5145).\n\nThe Mageia 4 python-django14 and Mageia 5 python-django packages have been\nupdated to versions 1.4.21 and 1.8.3 respectively to fix these issues.  Note\nthat the CVE-2015-5145 issue only affected python-django.\n\nNote: the python-django package in Mageia 4, based on Django 1.5.9, is no\nlonger supported.  Users of this package are advised to migrate to Mageia 5.\n","status":"published","published":"2015-07-28T21:01:59Z","modified":"2026-04-16T06:23:19.783718785Z","updated_at":"2026-11-02T15:49:39.792687Z"},{"id":"PYSEC-2015-10","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.","status":"published","published":"2015-07-14T17:59:00Z","modified":"2026-06-10T17:00:55.93022566Z","updated_at":"2026-11-02T15:52:51.645172Z"},{"id":"SUSE-SU-2015:1810-1","title":"Security update for python-Django","description":"\nThis update for python-Django fixes the following security issues:\n\n- Prevent Denial-of-service possibility by filling session store. (bsc#937522, CVE-2015-5143)\n- Prevent Header injection possibility. (bsc#937523, CVE-2015-5144)\n- A remote denial of service (resource exhaustion) attack against the django session store\n  was fixed in Python Django.  This might have allowed remote attackers to exhaust existing\n  web sessions. (bsc#941587, CVE-2015-5963)\n","status":"published","published":"2015-10-15T02:38:16Z","modified":"2026-02-04T02:14:59.729416Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"SUSE-SU-2015:1815-1","title":"Security update for python-Django","description":"\nThis update for python-Django fixes the following security issues:\n\n- Prevent Denial-of-service possibility by filling session store. (bsc#937522, CVE-2015-5143)\n- Prevent Header injection possibility. (bsc#937523, CVE-2015-5144)\n- A remote denial of service (resource exhaustion) attack against the django session store\n  was fixed in Python Django.  This might have allowed remote attackers to exhaust existing\n  web sessions. (bsc#941587, CVE-2015-5963)\n","status":"published","published":"2015-10-15T02:36:44Z","modified":"2026-02-04T03:12:33.844217Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"SUSE-SU-2016:0044-1","title":"Security update for python-Django","description":"\n\nThis update fixes the following security issues:\n\n\n- (bnc#955412, CVE-2015-8213) Possible settings leak in date template filter \n\n- (bnc#937522, CVE-2015-5143) Possible denial-of-service in session store\n\n- (bnc#937523, CVE-2015-5144) Possible Header injection\n\n- (bnc#941587, CVE-2015-5963) Possible denial-of-service by filling session store via logout()\n\n","status":"published","published":"2016-01-07T11:04:29Z","modified":"2026-02-04T03:47:07.985736Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"UBUNTU-CVE-2015-5144","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.","status":"published","published":"2015-07-08T00:00:00Z","modified":"2026-02-04T02:45:23.448978Z","updated_at":"2026-11-02T15:54:10.385269Z"},{"id":"USN-2671-1","title":"python-django vulnerabilities","description":"Eric Peterson and Lin Hua Cheng discovered that Django incorrectly handled\nsession records. A remote attacker could use this issue to cause a denial\nof service. (CVE-2015-5143)\n\nSjoerd Job Postmus discovered that DJango incorrectly handled newline\ncharacters when performing validation. A remote attacker could use this\nissue to perform header injection attacks. (CVE-2015-5144)\n","status":"published","published":"2015-07-09T11:24:41Z","modified":"2026-02-10T04:40:54Z","updated_at":"2026-11-02T16:58:09.227524Z"}]}}