{"id":"CVE-2011-4087","aliases":["BELL-CVE-2011-4087","EUVD-2011-4038","GHSA-8v6f-v23v-q623"],"status":"published","title":"The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39...","description":"The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39 does not properly initialize a certain data structure, which allows remote attackers to cause a denial of service by leveraging connectivity to a network interface that uses an Ethernet bridge device.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02669,"percentile":0.85844,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-665"],"published":"2013-06-08T10:00:00Z","modified":"2026-06-16T23:34:24Z","products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"https://github.com/torvalds/linux/commit/f8e9881c2aef1e982e5abc25c046820cd0b7cf64","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","Third Party Advisory"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f8e9881c2aef1e982e5abc25c046820cd0b7cf64","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2011/10/28/14","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4087"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f8e9881c2aef1e982e5abc25c046820cd0b7cf64"},{"url":"https://github.com/advisories/GHSA-8v6f-v23v-q623"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2011-4087","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2011-4087","description":"The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39 does not properly initialize a certain data structure, which allows remote attackers to cause a denial of service by leveraging connectivity to a network interface that uses an Ethernet bridge device.","status":"published","published":"2013-06-08T10:00:00Z","modified":"2024-09-16T23:35:38.521Z","updated_at":"2026-11-02T14:35:37.989579Z"}],"euvd":[{"id":"EUVD-2011-4038","description":"The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39 does not properly initialize a certain data structure, which allows remote attackers to cause a denial of service by leveraging connectivity to a network interface that uses an Ethernet bridge device.","status":"published","published":"2013-06-08T10:00:00Z","modified":"2024-09-16T23:35:38Z","updated_at":"2026-11-03T00:54:49.244391Z"}],"ghsa":[{"id":"GHSA-8v6f-v23v-q623","title":"The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39...","description":"The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39 does not properly initialize a certain data structure, which allows remote attackers to cause a denial of service by leveraging connectivity to a network interface that uses an Ethernet bridge device.","status":"published","published":"2022-05-13T01:25:06Z","modified":"2025-04-11T04:11:59Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-665"],"updated_at":"2026-11-02T15:01:14.028836Z"}],"nvd":[{"id":"CVE-2011-4087","description":"The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39 does not properly initialize a certain data structure, which allows remote attackers to cause a denial of service by leveraging connectivity to a network interface that uses an Ethernet bridge device.","status":"published","published":"2013-06-08T13:05:55.21Z","modified":"2026-06-16T23:34:24.053Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-665"],"updated_at":"2026-11-02T14:02:12.639283Z"}],"osv":[{"id":"BELL-CVE-2011-4087","title":"CVE-2011-4087 does not affect BellSoft software","status":"withdrawn","published":"2013-06-08T13:05:00Z","modified":"2026-01-26T09:30:04.704755Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:12.886815Z"}]}}