{"id":"CVE-2012-0255","aliases":["DSA-2459-1","EUVD-2012-0291","GHSA-6f58-2f4p-jjcw","RHSA-2012:1259"],"status":"published","title":"The BGP implementation in bgpd in Quagga before 0.99.20.1 does not properly use message buffers...","description":"The BGP implementation in bgpd in Quagga before 0.99.20.1 does not properly use message buffers for OPEN messages, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a message associated with a malformed Four-octet AS Number Capability (aka AS4 capability).","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":"2026-11-07","score":0.03454,"percentile":0.89097,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2012-04-05T10:00:00Z","modified":"2026-06-26T12:20:52Z","affected":[{"source":"osv","ecosystem":"Debian:6.0","package":"quagga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.20.1-0+squeeze1"}]}],"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"],"bundled":3},{"source":"osv","ecosystem":"Red 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Resource"]},{"url":"http://secunia.com/advisories/48949","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078926.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078794.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-0255","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6f58-2f4p-jjcw"},{"url":"https://access.redhat.com/errata/RHSA-2012:1259","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=738393","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=738394","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=738396","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=738398","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=738400","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=802781","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=802827","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=802829","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=817580","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_1259.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-3323","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-3323","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3323","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-3324","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-3324","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3324","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-3325","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-3325","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3325","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-3326","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-3326","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3326","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-3327","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-3327","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3327","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-0249","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-0249","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-0249","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-0250","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-0250","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-0250","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-0255","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-0255","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-1820","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-1820","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-1820","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-0255","description":"The BGP implementation in bgpd in Quagga before 0.99.20.1 does not properly use message buffers for OPEN messages, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a message associated with a malformed Four-octet AS Number Capability (aka AS4 capability).","status":"published","published":"2012-04-05T10:00:00Z","modified":"2024-08-06T18:16:19.957Z","updated_at":"2026-11-02T14:34:53.357376Z"}],"euvd":[{"id":"EUVD-2012-0291","description":"The BGP implementation in bgpd in Quagga before 0.99.20.1 does not properly use message buffers for OPEN messages, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a message associated with a malformed Four-octet AS Number Capability (aka AS4 capability).","status":"published","published":"2012-04-05T10:00:00Z","modified":"2024-08-06T18:16:19Z","updated_at":"2026-11-03T01:56:22.151365Z"}],"ghsa":[{"id":"GHSA-6f58-2f4p-jjcw","title":"The BGP implementation in bgpd in Quagga before 0.99.20.1 does not properly use message buffers...","description":"The BGP implementation in bgpd in Quagga before 0.99.20.1 does not properly use message buffers for OPEN messages, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a message associated with a malformed Four-octet AS Number Capability (aka AS4 capability).","status":"published","published":"2022-05-04T00:29:01Z","modified":"2023-02-01T05:01:38Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:49:45.784088Z"}],"nvd":[{"id":"CVE-2012-0255","description":"The BGP implementation in bgpd in Quagga before 0.99.20.1 does not properly use message buffers for OPEN messages, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a message associated with a malformed Four-octet AS Number Capability (aka AS4 capability).","status":"published","published":"2012-04-05T13:25:30.617Z","modified":"2026-06-16T23:36:59.69Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:13.901526Z"}],"osv":[{"id":"DSA-2459-1","title":"quagga - several","status":"published","published":"2012-04-25T00:00:00Z","modified":"2026-03-09T01:21:00.817598Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"RHSA-2012:1259","title":"Red Hat Security Advisory: quagga security update","status":"published","published":"2024-09-15T20:10:01Z","modified":"2026-06-26T12:20:52.653939845Z","updated_at":"2026-11-02T15:53:01.495018Z"}]}}