{"id":"CVE-2011-3607","aliases":["BELL-CVE-2011-3607","DEBIAN-CVE-2011-3607","DSA-2405-1","EUVD-2011-3566","GHSA-chqj-ghv5-hm5m","RHSA-2012:0128","RHSA-2012:0323","RHSA-2012:0542","openSUSE-SU-2024:10268-1"],"status":"published","title":"Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x...","description":"Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow.","severity":{"version":"2.0","score":4.4,"vector":"AV:L/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04902,"percentile":0.92153,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-189"],"published":"2011-11-08T11:00:00Z","modified":"2026-10-23T17:47:46Z","exploits":[{"source":"exploitdb","id":"EDB-41769","title":"Apache \u003c 2.0.64 / \u003c 2.2.21 mod_setenvif - Integer 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security/cve/CVE-2010-2068","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1176","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-3192","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-3368","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-3607","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-4317","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-0021","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-0031","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-0053","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-2687","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-3499","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-3502","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1896","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-2249","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-5704","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-6438","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0098","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0117","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0118","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0226","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0231","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3523","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3581","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3583","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-8109","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0228","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0253","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-4000","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4979","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2011-3607","description":"Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow.","status":"published","published":"2011-11-08T11:00:00Z","modified":"2024-08-06T23:37:48.675Z","updated_at":"2026-11-02T14:35:37.324501Z"}],"euvd":[{"id":"EUVD-2011-3566","description":"Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow.","status":"published","published":"2011-11-08T11:00:00Z","modified":"2024-08-06T23:37:48Z","updated_at":"2026-11-03T01:39:50.860626Z"}],"ghsa":[{"id":"GHSA-chqj-ghv5-hm5m","title":"Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x...","description":"Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow.","status":"published","published":"2022-05-13T01:09:52Z","modified":"2025-04-11T03:53:45Z","updated_at":"2026-11-02T15:01:10.114294Z"}],"nvd":[{"id":"CVE-2011-3607","description":"Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow.","status":"published","published":"2011-11-08T11:55:05.693Z","modified":"2026-06-16T23:33:35.057Z","cvss":[{"version":"2.0","score":4.4,"vector":"AV:L/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:02:10.769216Z"}],"osv":[{"id":"BELL-CVE-2011-3607","title":"CVE-2011-3607 does not affect BellSoft software","status":"withdrawn","published":"2011-11-08T11:55:00Z","modified":"2026-01-28T07:21:13.150776Z","cvss":[{"version":"2.0","score":4.4,"vector":"AV:L/AC:M/Au:N/C:P/I:P/A:P","level":"medium"}],"updated_at":"2026-11-02T15:28:12.886815Z"},{"id":"CVE-2011-3607","description":"Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow.","status":"published","published":"2011-11-08T11:55:05Z","modified":"2026-04-10T03:41:58.052667Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-3607","description":"Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow.","status":"published","published":"2011-11-08T11:55:05.693Z","modified":"2026-10-23T17:47:46.025271685Z","updated_at":"2026-11-02T15:45:24.612044Z"},{"id":"DSA-2405-1","title":"apache2 - multiple issues","status":"published","published":"2012-02-06T00:00:00Z","modified":"2026-03-09T01:22:35.974251Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"openSUSE-SU-2024:10268-1","title":"apache2-2.4.23-4.1 on GA media","description":"These are all security issues fixed in the apache2-2.4.23-4.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:25:01.364403Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"RHSA-2012:0128","title":"Red Hat Security Advisory: httpd security update","status":"published","published":"2024-09-15T19:43:01Z","modified":"2026-08-05T10:01:41Z","updated_at":"2026-11-02T15:53:01.495018Z"},{"id":"RHSA-2012:0323","title":"Red Hat Security Advisory: httpd security update","status":"published","published":"2024-09-15T19:43:06Z","modified":"2026-08-05T10:01:43Z","updated_at":"2026-11-02T15:53:01.495018Z"},{"id":"RHSA-2012:0542","title":"Red Hat Security Advisory: httpd security and bug fix update","status":"published","published":"2024-09-15T19:33:21Z","modified":"2026-05-15T10:46:08.337587Z","updated_at":"2026-11-02T15:53:01.495018Z"}]}}