{"id":"CVE-2006-1991","aliases":["EUVD-2006-1991","GHSA-7xcj-pr22-cx39","openSUSE-SU-2024:11167-1","openSUSE-SU-2024:11169-1"],"status":"published","title":"The substr_compare function in string.c in PHP 5.1.2 allows context-dependent attackers to cause...","description":"The substr_compare function in string.c in PHP 5.1.2 allows context-dependent attackers to cause a denial of service (memory access violation) via an out-of-bounds offset argument.","severity":{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02238,"percentile":0.82944,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2006-04-24T23:00:00Z","modified":"2026-06-16T22:24:05Z","affected":[{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"php7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.4.24-1.1"}]}],"bundled":44},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"php8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.11-1.1"}]}],"bundled":97}],"products":[{"vendor":"php","product":"php"}],"references":[{"url":"http://securitytracker.com/id?1015979","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/26003","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.novell.com/linux/security/advisories/2006_31_php.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2006:091","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred"]},{"url":"http://security.gentoo.org/glsa/glsa-200605-08.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"http://secunia.com/advisories/20269","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor 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"url":"https://www.suse.com/security/cve/CVE-2012-3365","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1635","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1643","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4113","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4248","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-6420","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-6712","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-7327","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-7345","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0185","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0238","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-1943","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-2497","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3538","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3597","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3622","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3668","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3670","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4049","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4670","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4698","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5459","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-9426","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-9427","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0231","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0235","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-0273","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-1351","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3152","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3414","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3415","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2006-1991","description":"The substr_compare function in string.c in PHP 5.1.2 allows context-dependent attackers to cause a denial of service (memory access violation) via an out-of-bounds offset argument.","status":"published","published":"2006-04-24T23:00:00Z","modified":"2024-08-07T17:35:31.394Z","updated_at":"2026-11-02T14:33:51.835276Z"}],"euvd":[{"id":"EUVD-2006-1991","description":"The substr_compare function in string.c in PHP 5.1.2 allows context-dependent attackers to cause a denial of service (memory access violation) via an out-of-bounds offset argument.","status":"published","published":"2006-04-24T23:00:00Z","modified":"2024-08-07T17:35:31Z","updated_at":"2026-11-03T01:16:02.676105Z"}],"ghsa":[{"id":"GHSA-7xcj-pr22-cx39","title":"The substr_compare function in string.c in PHP 5.1.2 allows context-dependent attackers to cause...","description":"The substr_compare function in string.c in PHP 5.1.2 allows context-dependent attackers to cause a denial of service (memory access violation) via an out-of-bounds offset argument.","status":"published","published":"2022-05-01T06:54:50Z","modified":"2023-01-31T05:01:01Z","updated_at":"2026-11-02T14:47:58.582186Z"}],"nvd":[{"id":"CVE-2006-1991","description":"The substr_compare function in string.c in PHP 5.1.2 allows context-dependent attackers to cause a denial of service (memory access violation) via an out-of-bounds offset argument.","status":"published","published":"2006-04-24T23:02:00Z","modified":"2026-06-16T22:24:05.35Z","cvss":[{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:01:02.433957Z"}],"osv":[{"id":"openSUSE-SU-2024:11167-1","title":"php7-7.4.24-1.1 on GA media","description":"These are all security issues fixed in the php7-7.4.24-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:40:15.236741Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"openSUSE-SU-2024:11169-1","title":"php8-8.0.11-1.1 on GA media","description":"These are all security issues fixed in the php8-8.0.11-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:14:38.718583Z","updated_at":"2026-11-02T16:58:34.894275Z"}]}}