{"id":"CVE-2012-3526","aliases":["DEBIAN-CVE-2012-3526","DSA-2532-1","EUVD-2012-3481","GHSA-9mf9-j4hx-8j6j"],"status":"published","title":"The reverse proxy add forward module (mod_rpaf) 0.5 and 0.6 for the Apache HTTP Server allows...","description":"The reverse proxy add forward module (mod_rpaf) 0.5 and 0.6 for the Apache HTTP Server allows remote attackers to cause a denial of service (server or application crash) via multiple X-Forwarded-For headers in a request.","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":0.06952,"percentile":0.9416,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2012-08-22T00:00:00Z","modified":"2026-10-23T17:47:36Z","fixes":[{"ecosystem":"Debian:12","package":"libapache2-mod-rpaf","fixed_in":["0.6-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libapache2-mod-rpaf","fixed_in":["0.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libapache2-mod-rpaf","fixed_in":["0.6-1"],"sources":["osv"]},{"ecosystem":"Debian:6.0","package":"libapache2-mod-rpaf","fixed_in":["0.5-3+squeeze1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libapache2-mod-rpaf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"libapache2-mod-rpaf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"libapache2-mod-rpaf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"libapache2-mod-rpaf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5-3+squeeze1"}]}],"versions":["0.5-3"]}],"products":[{"vendor":"thomas_eibner","product":"mod_rpaf"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2012/08/22/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=683984","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://zecrazytux.net/troubleshooting/apache2-segfault-debugging-tutorial","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2012/08/22/7","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/55154","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/77987","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://secunia.com/advisories/50400","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.debian.org/security/2012/dsa-2532","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3526"},{"url":"https://github.com/advisories/GHSA-9mf9-j4hx-8j6j"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-3526","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-3526","description":"The reverse proxy add forward module (mod_rpaf) 0.5 and 0.6 for the Apache HTTP Server allows remote attackers to cause a denial of service (server or application crash) via multiple X-Forwarded-For headers in a request.","status":"published","published":"2012-09-05T23:00:00Z","modified":"2024-08-06T20:05:12.847Z","updated_at":"2026-11-02T14:34:50.615647Z"}],"euvd":[{"id":"EUVD-2012-3481","description":"The reverse proxy add forward module (mod_rpaf) 0.5 and 0.6 for the Apache HTTP Server allows remote attackers to cause a denial of service (server or application crash) via multiple X-Forwarded-For headers in a request.","status":"published","published":"2012-09-05T23:00:00Z","modified":"2024-08-06T20:05:12Z","updated_at":"2026-11-03T01:56:10.882899Z"}],"ghsa":[{"id":"GHSA-9mf9-j4hx-8j6j","title":"The reverse proxy add forward module (mod_rpaf) 0.5 and 0.6 for the Apache HTTP Server allows...","description":"The reverse proxy add forward module (mod_rpaf) 0.5 and 0.6 for the Apache HTTP Server allows remote attackers to cause a denial of service (server or application crash) via multiple X-Forwarded-For headers in a request.","status":"published","published":"2022-05-17T01:43:58Z","modified":"2023-02-03T05:05:23Z","updated_at":"2026-11-02T14:53:43.901857Z"}],"nvd":[{"id":"CVE-2012-3526","description":"The reverse proxy add forward module (mod_rpaf) 0.5 and 0.6 for the Apache HTTP Server allows remote attackers to cause a denial of service (server or application crash) via multiple X-Forwarded-For headers in a request.","status":"published","published":"2012-09-05T23:55:01.803Z","modified":"2026-06-16T23:43:24.56Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:15.643902Z"}],"osv":[{"id":"CVE-2012-3526","description":"The reverse proxy add forward module (mod_rpaf) 0.5 and 0.6 for the Apache HTTP Server allows remote attackers to cause a denial of service (server or application crash) via multiple X-Forwarded-For headers in a request.","status":"published","published":"2012-09-05T23:55:01Z","modified":"2026-04-10T03:42:24.72411Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-3526","description":"The reverse proxy add forward module (mod_rpaf) 0.5 and 0.6 for the Apache HTTP Server allows remote attackers to cause a denial of service (server or application crash) via multiple X-Forwarded-For headers in a request.","status":"published","published":"2012-09-05T23:55:01.803Z","modified":"2026-10-23T17:47:36.011688545Z","updated_at":"2026-11-02T15:45:24.92418Z"},{"id":"DSA-2532-1","title":"libapache2-mod-rpaf - denial of service","status":"published","published":"2012-08-22T00:00:00Z","modified":"2026-03-09T01:20:08.731642Z","updated_at":"2026-11-02T15:46:15.489951Z"}]}}