{"id":"CVE-2013-6051","aliases":["DSA-2803-1","EUVD-2013-5880","GHSA-v7c4-xhg8-w2fh"],"status":"published","title":"The bgp_attr_unknown function in bgp_attr.c in Quagga 0.99.21 does not properly initialize the...","description":"The bgp_attr_unknown function in bgp_attr.c in Quagga 0.99.21 does not properly initialize the total variable, which allows remote attackers to cause a denial of service (bgpd crash) via a crafted BGP update.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02245,"percentile":0.82985,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2013-11-26T00:00:00Z","modified":"2026-06-16T23:59:57Z","affected":[{"source":"osv","ecosystem":"Debian:6.0","package":"quagga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.20.1-0+squeeze5"}]}],"versions":["0.99.17-2","0.99.17-2+squeeze2","0.99.17-2+squeeze3","0.99.17-3","0.99.17-4","0.99.18-1","0.99.18-2","0.99.19-1","0.99.20-1","0.99.20-1~bpo60+1","0.99.20-2","0.99.20-3","0.99.20-4","0.99.20.1-0+squeeze1","0.99.20.1-0+squeeze2","0.99.20.1-0+squeeze3","0.99.20.1-0+squeeze4"],"bundled":2},{"source":"osv","ecosystem":"Debian:7","package":"quagga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.22.4-1+wheezy1"}]}],"versions":["0.99.21-4+wheezy1","0.99.21-4+wheezy2","0.99.22-1","0.99.22.1-1","0.99.22.1-2","0.99.22.4-1"],"bundled":2}],"products":[{"vendor":"quagga","product":"quagga"}],"references":[{"url":"http://www.debian.org/security/2013/dsa-2803","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=730513","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://git.savannah.gnu.org/gitweb/?p=quagga.git%3Ba=commitdiff%3Bh=8794e8d229dc9fe29ea31424883433d4880ef408","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-6051"},{"url":"http://git.savannah.gnu.org/gitweb/?p=quagga.git;a=commitdiff;h=8794e8d229dc9fe29ea31424883433d4880ef408"},{"url":"https://github.com/advisories/GHSA-v7c4-xhg8-w2fh"}],"sources":{"cve":[{"id":"CVE-2013-6051","description":"The bgp_attr_unknown function in bgp_attr.c in Quagga 0.99.21 does not properly initialize the total variable, which allows remote attackers to cause a denial of service (bgpd crash) via a crafted BGP update.","status":"published","published":"2013-12-14T17:00:00Z","modified":"2024-08-06T17:29:42.975Z","updated_at":"2026-11-02T14:34:57.499208Z"}],"euvd":[{"id":"EUVD-2013-5880","description":"The bgp_attr_unknown function in bgp_attr.c in Quagga 0.99.21 does not properly initialize the total variable, which allows remote attackers to cause a denial of service (bgpd crash) via a crafted BGP update.","status":"published","published":"2013-12-14T17:00:00Z","modified":"2024-08-06T17:29:42Z","updated_at":"2026-11-03T01:56:27.166265Z"}],"ghsa":[{"id":"GHSA-v7c4-xhg8-w2fh","title":"The bgp_attr_unknown function in bgp_attr.c in Quagga 0.99.21 does not properly initialize the...","description":"The bgp_attr_unknown function in bgp_attr.c in Quagga 0.99.21 does not properly initialize the total variable, which allows remote attackers to cause a denial of service (bgpd crash) via a crafted BGP update.","status":"published","published":"2022-05-17T04:56:16Z","modified":"2025-04-11T04:18:10Z","updated_at":"2026-11-02T15:01:15.391359Z"}],"nvd":[{"id":"CVE-2013-6051","description":"The bgp_attr_unknown function in bgp_attr.c in Quagga 0.99.21 does not properly initialize the total variable, which allows remote attackers to cause a denial of service (bgpd crash) via a crafted BGP update.","status":"published","published":"2013-12-14T17:21:46.397Z","modified":"2026-06-16T23:59:57.427Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:44.596064Z"}],"osv":[{"id":"DSA-2803-1","title":"quagga - several","status":"published","published":"2013-11-26T00:00:00Z","modified":"2026-03-09T01:20:04.442227Z","updated_at":"2026-11-02T15:46:15.489951Z"}]}}