{"id":"CVE-2006-0042","aliases":["DEBIAN-CVE-2006-0042","DSA-1000-2","EUVD-2006-0050","GHSA-67xr-x2j9-rc4g"],"status":"published","title":"Unspecified vulnerability in (1) apreq_parse_headers and (2) apreq_parse_urlencoded functions in...","description":"Unspecified vulnerability in (1) apreq_parse_headers and (2) apreq_parse_urlencoded functions in Apache2::Request (Libapreq2) before 2.07 allows remote attackers to cause a denial of service (CPU consumption) via unknown attack vectors that result in quadratic computational complexity.","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":"2026-11-09","score":0.06228,"percentile":0.93584,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2006-02-18T21:00:00Z","modified":"2026-10-22T23:47:26Z","fixes":[{"ecosystem":"Debian:13","package":"libapreq2","fixed_in":["2.07-1"],"sources":["osv"]},{"ecosystem":"Debian:3.1","package":"libapreq2-perl","fixed_in":["2.04-dev-1sarge2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"libapreq2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.07-1"}]}]},{"source":"osv","ecosystem":"Debian:3.1","package":"libapreq2-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.04-dev-1sarge2"}]}],"versions":["2.04-dev-1","2.04-dev-1sarge1"]}],"products":[{"vendor":"apache","product":"libapreq2"},{"vendor":"debian","product":"debian_linux"}],"references":[{"url":"http://secunia.com/advisories/19658","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Third Party Advisory","advisory"]},{"url":"http://svn.apache.org/viewcvs.cgi/httpd/apreq/tags/v2_07/CHANGES?rev=376998\u0026view=markup","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.debian.org/security/2006/dsa-1000","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Patch","Third Party Advisory","advisory","fix"]},{"url":"http://secunia.com/advisories/19139","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Third Party Advisory","advisory","fix"]},{"url":"http://secunia.com/advisories/18846","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Third Party Advisory","advisory","fix"]},{"url":"http://www.vupen.com/english/advisories/2006/0645","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Third Party Advisory","advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/24917","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://securityreason.com/securityalert/737","tags":["third-party-advisory","x_refsource_SREASON","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/16710","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Third Party Advisory","VDB Entry","advisory","fix"]},{"url":"http://www.gentoo.org/security/en/glsa/glsa-200604-08.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-0042"},{"url":"https://github.com/advisories/GHSA-67xr-x2j9-rc4g"},{"url":"https://security-tracker.debian.org/tracker/CVE-2006-0042","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2006-0042","description":"Unspecified vulnerability in (1) apreq_parse_headers and (2) apreq_parse_urlencoded functions in Apache2::Request (Libapreq2) before 2.07 allows remote attackers to cause a denial of service (CPU consumption) via unknown attack vectors that result in quadratic computational complexity.","status":"published","published":"2006-02-18T21:00:00Z","modified":"2024-08-07T16:18:20.649Z","updated_at":"2026-11-02T14:33:52.569914Z"}],"euvd":[{"id":"EUVD-2006-0050","description":"Unspecified vulnerability in (1) apreq_parse_headers and (2) apreq_parse_urlencoded functions in Apache2::Request (Libapreq2) before 2.07 allows remote attackers to cause a denial of service (CPU consumption) via unknown attack vectors that result in quadratic computational complexity.","status":"published","published":"2006-02-18T21:00:00Z","modified":"2024-08-07T16:18:20Z","updated_at":"2026-11-03T01:16:11.286196Z"}],"ghsa":[{"id":"GHSA-67xr-x2j9-rc4g","title":"Unspecified vulnerability in (1) apreq_parse_headers and (2) apreq_parse_urlencoded functions in...","description":"Unspecified vulnerability in (1) apreq_parse_headers and (2) apreq_parse_urlencoded functions in Apache2::Request (Libapreq2) before 2.07 allows remote attackers to cause a denial of service (CPU consumption) via unknown attack vectors that result in quadratic computational complexity.","status":"published","published":"2022-05-01T06:37:08Z","modified":"2023-01-31T05:00:26Z","updated_at":"2026-11-02T14:47:51.48849Z"}],"nvd":[{"id":"CVE-2006-0042","description":"Unspecified vulnerability in (1) apreq_parse_headers and (2) apreq_parse_urlencoded functions in Apache2::Request (Libapreq2) before 2.07 allows remote attackers to cause a denial of service (CPU consumption) via unknown attack vectors that result in quadratic computational complexity.","status":"published","published":"2006-02-18T21:02:00Z","modified":"2026-06-16T22:19:46.727Z","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":"2026-11-02T14:01:00.920802Z"}],"osv":[{"id":"CVE-2006-0042","description":"Unspecified vulnerability in (1) apreq_parse_headers and (2) apreq_parse_urlencoded functions in Apache2::Request (Libapreq2) before 2.07 allows remote attackers to cause a denial of service (CPU consumption) via unknown attack vectors that result in quadratic computational complexity.","status":"published","published":"2006-02-18T21:02:00Z","modified":"2026-04-10T03:38:18.88616Z","updated_at":"2026-11-02T15:43:56.581247Z"},{"id":"DEBIAN-CVE-2006-0042","description":"Unspecified vulnerability in (1) apreq_parse_headers and (2) apreq_parse_urlencoded functions in Apache2::Request (Libapreq2) before 2.07 allows remote attackers to cause a denial of service (CPU consumption) via unknown attack vectors that result in quadratic computational complexity.","status":"published","published":"2006-02-18T21:02:00Z","modified":"2026-10-22T23:47:26.685830632Z","updated_at":"2026-11-02T15:45:22.831407Z"},{"id":"DSA-1000-2","title":"libapreq2-perl - design error","status":"published","published":"2006-03-14T00:00:00Z","modified":"2026-03-09T01:01:11.576591Z","updated_at":"2026-11-02T15:46:13.900249Z"}]}}