{"id":"CVE-2009-1572","aliases":["DEBIAN-CVE-2009-1572","DSA-1788-1","EUVD-2009-1568","GHSA-7pv4-f272-hv95"],"status":"published","title":"The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of...","description":"The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of service (crash) via an AS path containing ASN elements whose string representation is longer than expected, which triggers an assert error.","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":0.03516,"percentile":0.89297,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2009-05-04T00:00:00Z","modified":"2026-06-16T23:07:32Z","fixes":[{"ecosystem":"Debian:5.0","package":"quagga","fixed_in":["0.99.10-1lenny2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:5.0","package":"quagga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.10-1lenny2"}]}],"versions":["0.99.10-1lenny1"]}],"products":[{"vendor":"quagga","product":"quagga"}],"references":[{"url":"http://www.osvdb.org/54200","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"http://secunia.com/advisories/35203","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://secunia.com/advisories/34999","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:109","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://www.securitytracker.com/id?1022164","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"http://www.ubuntu.com/usn/usn-775-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2009/05/01/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://marc.info/?l=quagga-dev\u0026m=123364779626078\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred","Exploit","Patch","fix"]},{"url":"http://thread.gmane.org/gmane.network.quagga.devel/6513","tags":["x_refsource_MISC","x_transferred","Exploit","evidence"]},{"url":"http://www.debian.org/security/2009/dsa-1788","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Patch","fix"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/50317","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://secunia.com/advisories/35685","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor 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Advisory","advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=526311","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","fix"]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01037.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/34817","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2009/05/01/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1572"},{"url":"https://github.com/advisories/GHSA-7pv4-f272-hv95"}],"sources":{"cve":[{"id":"CVE-2009-1572","description":"The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of service (crash) via an AS path containing ASN elements whose string representation is longer than expected, which triggers an assert error.","status":"published","published":"2009-05-06T17:00:00Z","modified":"2024-08-07T05:20:34.055Z","updated_at":"2026-11-02T14:33:25.516454Z"}],"euvd":[{"id":"EUVD-2009-1568","description":"The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of service (crash) via an AS path containing ASN elements whose string representation is longer than expected, which triggers an assert error.","status":"published","published":"2009-05-06T17:00:00Z","modified":"2024-08-07T05:20:34Z","updated_at":"2026-11-03T01:39:20.880695Z"}],"ghsa":[{"id":"GHSA-7pv4-f272-hv95","title":"The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of...","description":"The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of service (crash) via an AS path containing ASN elements whose string representation is longer than expected, which triggers an assert error.","status":"published","published":"2022-05-02T03:26:30Z","modified":"2023-01-31T05:07:08Z","updated_at":"2026-11-02T14:49:09.743979Z"}],"nvd":[{"id":"CVE-2009-1572","description":"The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of service (crash) via an AS path containing ASN elements whose string representation is longer than expected, which triggers an assert error.","status":"published","published":"2009-05-06T17:30:00.233Z","modified":"2026-06-16T23:07:32.87Z","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":"2026-11-02T14:01:35.136779Z"}],"osv":[{"id":"CVE-2009-1572","description":"The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of service (crash) via an AS path containing ASN elements whose string representation is longer than expected, which triggers an assert error.","status":"withdrawn","published":"2009-05-06T17:30:00Z","modified":"2024-06-04T04:00:19Z","updated_at":"2026-11-02T15:43:57.452479Z"},{"id":"DSA-1788-1","title":"quagga - denial of service","status":"published","published":"2009-05-04T00:00:00Z","modified":"2026-03-09T01:19:27.238581Z","updated_at":"2026-11-02T15:46:14.734124Z"}]}}