{"id":"CVE-2013-2175","aliases":["DEBIAN-CVE-2013-2175","DSA-2711-1","EUVD-2013-2134","GHSA-4wh9-9j6m-2gcq","RHSA-2013:1120","RHSA-2013:1204","openSUSE-SU-2024:10114-1"],"status":"published","title":"HAProxy 1.4 before 1.4.24 and 1.5 before 1.5-dev19, when configured to use hdr_ip or other \"hdr_*...","description":"HAProxy 1.4 before 1.4.24 and 1.5 before 1.5-dev19, when configured to use hdr_ip or other \"hdr_*\" functions with a negative occurrence count, allows remote attackers to cause a denial of service (negative array index usage and crash) via an HTTP header with a certain number of values, related to the MAX_HDR_HISTORY variable.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03587,"percentile":0.89502,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20","CWE-284"],"published":"2013-06-19T00:00:00Z","modified":"2026-09-01T20:03:15Z","fixes":[{"ecosystem":"Debian:12","package":"haproxy","fixed_in":["1.4.24-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"haproxy","fixed_in":["1.4.24-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"haproxy","fixed_in":["1.4.24-1"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"haproxy","fixed_in":["0:1.4.22-5.el6_4"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"haproxy-debuginfo","fixed_in":["0:1.4.22-5.el6_4"],"sources":["osv"]},{"ecosystem":"Red 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Hat:enterprise_linux:6::server","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.4.22-5.el6_4"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"haproxy-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.4.22-5.el6_4"}]}]},{"source":"osv","ecosystem":"Red Hat:openshift:1.2::el6","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.4.22-6.el6op"}]}]},{"source":"osv","ecosystem":"Red Hat:openshift:1.2::el6","package":"haproxy-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.4.22-6.el6op"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.0-1.1"}]}],"bundled":5}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"debian","product":"debian_linux"},{"vendor":"haproxy","product":"haproxy"},{"vendor":"redhat","product":"enterprise_linux_load_balancer"}],"references":[{"url":"http://rhn.redhat.com/errata/RHSA-2013-1204.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party Advisory","advisory"]},{"url":"http://marc.info/?l=haproxy\u0026m=137147915029705\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","Third Party Advisory","advisory","fix"]},{"url":"http://secunia.com/advisories/54344","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=974259","tags":["x_refsource_MISC","x_transferred","Issue Tracking","report"]},{"url":"http://www.debian.org/security/2013/dsa-2711","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"http://rhn.redhat.com/errata/RHSA-2013-1120.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.ubuntu.com/usn/USN-1889-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-2175","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4wh9-9j6m-2gcq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-2175","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2013:1120","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://access.redhat.com/support/offerings/techpreview/","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_1120.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-2175","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-2175","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2013:1204","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_1204.json","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2012-2391","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1912","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-2175","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-6269","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3281","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2013-2175","description":"HAProxy 1.4 before 1.4.24 and 1.5 before 1.5-dev19, when configured to use hdr_ip or other \"hdr_*\" functions with a negative occurrence count, allows remote attackers to cause a denial of service (negative array index usage and crash) via an HTTP header with a certain number of values, related to the MAX_HDR_HISTORY variable.","status":"published","published":"2013-08-19T00:00:00Z","modified":"2024-08-06T15:27:41.078Z","updated_at":"2026-11-02T14:34:56.19172Z"}],"euvd":[{"id":"EUVD-2013-2134","description":"HAProxy 1.4 before 1.4.24 and 1.5 before 1.5-dev19, when configured to use hdr_ip or other \"hdr_*\" functions with a negative occurrence count, allows remote attackers to cause a denial of service (negative array index usage and crash) via an HTTP header with a certain number of values, related to the MAX_HDR_HISTORY variable.","status":"published","published":"2013-08-19T00:00:00Z","modified":"2024-08-06T15:27:41Z","updated_at":"2026-11-03T01:56:39.164386Z"}],"ghsa":[{"id":"GHSA-4wh9-9j6m-2gcq","title":"HAProxy 1.4 before 1.4.24 and 1.5 before 1.5-dev19, when configured to use hdr_ip or other \"hdr_*...","description":"HAProxy 1.4 before 1.4.24 and 1.5 before 1.5-dev19, when configured to use hdr_ip or other \"hdr_*\" functions with a negative occurrence count, allows remote attackers to cause a denial of service (negative array index usage and crash) via an HTTP header with a certain number of values, related to the MAX_HDR_HISTORY variable.","status":"published","published":"2022-05-17T03:23:47Z","modified":"2023-01-27T05:07:43Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:43:10.83298Z"}],"nvd":[{"id":"CVE-2013-2175","description":"HAProxy 1.4 before 1.4.24 and 1.5 before 1.5-dev19, when configured to use hdr_ip or other \"hdr_*\" functions with a negative occurrence count, allows remote attackers to cause a denial of service (negative array index usage and crash) via an HTTP header with a certain number of values, related to the MAX_HDR_HISTORY variable.","status":"published","published":"2013-08-19T13:07:58.227Z","modified":"2026-06-16T23:52:53.307Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20","CWE-284"],"updated_at":"2026-11-02T14:02:35.248411Z"}],"osv":[{"id":"CVE-2013-2175","description":"HAProxy 1.4 before 1.4.24 and 1.5 before 1.5-dev19, when configured to use hdr_ip or other \"hdr_*\" functions with a negative occurrence count, allows remote attackers to cause a denial of service (negative array index usage and crash) via an HTTP header with a certain number of values, related to the MAX_HDR_HISTORY variable.","status":"published","published":"2013-08-19T13:07:58Z","modified":"2026-04-10T03:42:48.483147Z","updated_at":"2026-11-02T15:43:59.09154Z"},{"id":"DEBIAN-CVE-2013-2175","description":"HAProxy 1.4 before 1.4.24 and 1.5 before 1.5-dev19, when configured to use hdr_ip or other \"hdr_*\" functions with a negative occurrence count, allows remote attackers to cause a denial of service (negative array index usage and crash) via an HTTP header with a certain number of values, related to the MAX_HDR_HISTORY variable.","status":"published","published":"2013-08-19T13:07:58.227Z","modified":"2026-09-01T20:03:15.891074525Z","updated_at":"2026-11-02T15:45:25.514579Z"},{"id":"DSA-2711-1","title":"haproxy - several","status":"published","published":"2013-06-19T00:00:00Z","modified":"2026-03-09T01:20:18.301947Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"openSUSE-SU-2024:10114-1","title":"haproxy-1.7.0-1.1 on GA media","description":"These are all security issues fixed in the haproxy-1.7.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:39:16.730424Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"RHSA-2013:1120","title":"Red Hat Security Advisory: haproxy security update","status":"published","published":"2024-09-13T07:37:29Z","modified":"2025-11-22T10:45:33Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"RHSA-2013:1204","title":"Red Hat Security Advisory: haproxy security update","status":"published","published":"2024-09-13T07:37:30Z","modified":"2025-11-22T10:46:00Z","updated_at":"2026-11-02T15:53:01.993625Z"}]}}