{"id":"CVE-2026-37457","aliases":["ALSA-2026:24340","ALSA-2026:24347","ALSA-2026:24370","ALSA-2026:24371","AZL-85646","CLSA-2026-1781101738","CLSA-2026-1781626852","DEBIAN-CVE-2026-37457","EUVD-2026-26703","GHSA-q7jj-qhhg-6m9g","RHSA-2026:24340","RHSA-2026:24347","RHSA-2026:24370","RHSA-2026:24371","RLSA-2026:24340","RLSA-2026:24347","RLSA-2026:24370","RLSA-2026:24371","SUSE-SU-2026:22026-1","SUSE-SU-2026:2454-1","SUSE-SU-2026:2455-1","SUSE-SU-2026:2457-1","SUSE-SU-2026:2644-1","UBUNTU-CVE-2026-37457","openSUSE-SU-2026:10721-1","openSUSE-SU-2026:20898-1"],"status":"published","title":"An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd...","description":"An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec 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off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.","status":"published","published":"2026-05-01T00:00:00Z","modified":"2026-07-15T01:02:31.94Z","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":"adp"},{"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":"adp"}],"cwes":["CWE-787","CWE-787"],"updated_at":"2026-11-02T13:39:16.730222Z"}],"euvd":[{"id":"EUVD-2026-26703","description":"An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec 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write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.","status":"published","published":"2026-05-01T18:16:14.77Z","modified":"2026-11-11T23:10:00.263Z","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":"secondary"},{"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":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-12T01:26:59.692044Z"}],"osv":[{"id":"CVE-2026-37457","description":"An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.","status":"published","published":"2026-05-01T00:00:00Z","modified":"2026-10-30T07:21:45.988342889Z","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":"2026-11-02T15:45:03.040464Z"},{"id":"DEBIAN-CVE-2026-37457","description":"An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.","status":"published","published":"2026-05-01T18:16:14.77Z","modified":"2026-11-12T09:47:35.650322604Z","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":"2026-11-12T10:16:30.501395Z"},{"id":"RHSA-2026:24340","title":"Red Hat Security Advisory: frr security 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update","status":"published","published":"2026-06-09T10:08:33Z","modified":"2026-06-28T11:54:09Z","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":"2026-11-02T15:53:18.983284Z"},{"id":"RLSA-2026:24340","title":"Important: frr security update","description":"FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD. \n\nSecurity Fix(es):\n\n* frr: denial of service via crafted FlowSpec component (CVE-2026-37457)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-06-11T06:00:31.924636Z","modified":"2026-06-11T06:30:05.523079527Z","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":"2026-11-02T15:53:25.804165Z"},{"id":"RLSA-2026:24347","title":"Important: frr security update","description":"FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD. \n\nSecurity Fix(es):\n\n* frr: denial of service via crafted FlowSpec component (CVE-2026-37457)\n\n* frr: denial of service via crafted BGP UPDATE message (CVE-2026-37459)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-06-11T12:05:12.507415Z","modified":"2026-06-11T12:30:18.259725727Z","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":"2026-11-02T15:53:25.804165Z"},{"id":"RLSA-2026:24370","title":"Important: frr10 security update","description":"FRRouting is free software that manages TCP/IP based routing protocols. It takes a multi-server and multi-threaded approach to resolve the current complexity of the Internet.  FRRouting supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.  FRRouting is a fork of Quagga.\n\nSecurity Fix(es):\n\n* frr: denial of service via crafted FlowSpec component (CVE-2026-37457)\n\n* frr: denial of service via crafted BGP UPDATE message (CVE-2026-37459)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-06-11T12:03:24.031456Z","modified":"2026-06-11T12:30:16.779943107Z","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":"2026-11-02T15:53:25.804165Z"},{"id":"RLSA-2026:24371","title":"Important: frr security update","description":"FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD. \n\nSecurity Fix(es):\n\n* frr: denial of service via crafted FlowSpec component (CVE-2026-37457)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-06-11T12:03:24.031456Z","modified":"2026-06-11T12:30:19.913100756Z","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":"2026-11-02T15:53:25.804165Z"},{"id":"UBUNTU-CVE-2026-37457","description":"An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.","status":"published","published":"2026-05-01T18:16:00Z","modified":"2026-11-05T19:03:52.309160895Z","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"},{"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":"2026-11-05T19:27:26.236035Z"},{"id":"ALSA-2026:24340","title":"Important: frr security update","description":"FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.   \n\nSecurity Fix(es):  \n\n  * frr: denial of service via crafted FlowSpec component (CVE-2026-37457)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-06-08T00:00:00Z","modified":"2026-10-29T11:02:24.053647273Z","updated_at":"2026-11-02T15:27:54.283654Z"},{"id":"ALSA-2026:24347","title":"Important: frr security update","description":"FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.   \n\nSecurity Fix(es):  \n\n  * frr: denial of service via crafted FlowSpec component (CVE-2026-37457)\n  * frr: denial of service via crafted BGP UPDATE message (CVE-2026-37459)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-06-08T00:00:00Z","modified":"2026-11-06T12:00:04.402161376Z","updated_at":"2026-11-06T12:12:56.168821Z"},{"id":"ALSA-2026:24370","title":"Important: frr10 security update","description":"FRRouting is free software that manages TCP/IP based routing protocols. It takes a multi-server and multi-threaded approach to resolve the current complexity of the Internet. FRRouting supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD. FRRouting is a fork of Quagga.  \n\nSecurity Fix(es):  \n\n  * frr: denial of service via crafted FlowSpec component (CVE-2026-37457)\n  * frr: denial of service via crafted BGP UPDATE message (CVE-2026-37459)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-06-08T00:00:00Z","modified":"2026-10-29T11:32:33.954998202Z","updated_at":"2026-11-02T15:27:54.283654Z"},{"id":"ALSA-2026:24371","title":"Important: frr security update","description":"FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.   \n\nSecurity Fix(es):  \n\n  * frr: denial of service via crafted FlowSpec component (CVE-2026-37457)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-06-08T00:00:00Z","modified":"2026-10-29T11:32:33.989087259Z","updated_at":"2026-11-02T15:27:54.283654Z"},{"id":"AZL-85646","title":"CVE-2026-37457 affecting package frr for versions less than 10.5.4-1","description":"An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.","status":"published","published":"2026-05-01T18:16:14Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:25.190302Z"},{"id":"CLSA-2026-1781101738","title":"frr: Fix of CVE-2026-37457","description":"- CVE-2026-37457: fix off-by-one out-of-bounds write in BGP FlowSpec\n  operator-array bounds check (bgp_flowspec_op_decode and\n  bgp_flowspec_bitmask_decode)","status":"published","published":"2026-06-10T14:29:22Z","modified":"2026-10-26T09:30:19.484332741Z","updated_at":"2026-11-02T15:43:45.445699Z"},{"id":"CLSA-2026-1781626852","title":"frr: Fix of CVE-2026-37457","description":"- CVE-2026-37457: fix off-by-one out-of-bounds write in BGP FlowSpec\n  operator-array bounds check (bgp_flowspec_op_decode and\n  bgp_flowspec_bitmask_decode)","status":"published","published":"2026-06-16T16:21:06Z","modified":"2026-10-26T09:31:10.280236634Z","updated_at":"2026-11-02T15:43:45.445699Z"},{"id":"openSUSE-SU-2026:10721-1","title":"frr-10.6.1-1.1 on GA media","description":"These are all security issues fixed in the frr-10.6.1-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-05-08T00:00:00Z","modified":"2026-05-09T07:45:48.125228Z","updated_at":"2026-11-02T16:58:38.415593Z"},{"id":"openSUSE-SU-2026:20898-1","title":"Security update for frr","description":"This update for frr fixes the following issues:\n\n- CVE-2026-5107: Fixed an improper access controls in EVPN Type-2 Route Handler (bsc#1261013).\n- CVE-2026-28532: Harden TE/SR TLV iteration against malformed lengths (bsc#1263859).\n- CVE-2026-37457: Fix off-by-one error in FlowSpec operator array bounds check (bsc#1263863).\n- CVE-2026-37458: Validate MP_REACH_NLRI attribute against incorrect next-hop (bsc#1263974).\n","status":"published","published":"2026-06-03T09:46:09Z","modified":"2026-06-06T18:24:32.122396762Z","updated_at":"2026-11-02T16:58:41.885092Z"},{"id":"SUSE-SU-2026:22026-1","title":"Security update for frr","description":"This update for frr fixes the following issues:\n\n- CVE-2026-5107: Fixed an improper access controls in EVPN Type-2 Route Handler (bsc#1261013).\n- CVE-2026-28532: Harden TE/SR TLV iteration against malformed lengths (bsc#1263859).\n- CVE-2026-37457: Fix off-by-one error in FlowSpec operator array bounds check (bsc#1263863).\n- CVE-2026-37458: Validate MP_REACH_NLRI attribute against incorrect next-hop (bsc#1263974).\n","status":"published","published":"2026-06-03T09:45:24Z","modified":"2026-06-09T18:24:28.421755542Z","updated_at":"2026-11-02T15:54:02.654057Z"},{"id":"SUSE-SU-2026:2454-1","title":"Security update for frr","description":"This update for frr fixes the following issues\n\nUpdate to frr 8.5.7:\n\n- CVE-2026-5107: Fixed an improper access controls in EVPN Type-2 Route Handler (bsc#1261013).\n- CVE-2026-28532: Harden TE/SR TLV iteration against malformed lengths (bsc#1263859).\n- CVE-2026-37457: Fix off-by-one error in FlowSpec operator array bounds check (bsc#1263863).\n- CVE-2026-37458: Validate MP_REACH_NLRI attribute against incorrect next-hop (bsc#1263974).\n  DoS via a crafted UPDATE message (bsc#1263974).\n","status":"published","published":"2026-06-18T14:02:41Z","modified":"2026-06-19T08:15:05.714563473Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:2455-1","title":"Security update for frr","description":"This update for frr fixes the following issues\n\n- CVE-2026-5107: Fixed an improper access controls in EVPN Type-2 Route Handler (bsc#1261013).\n- CVE-2026-28532: Harden TE/SR TLV iteration against malformed lengths (bsc#1263859).\n- CVE-2026-37457: Fix off-by-one error in FlowSpec operator array bounds check (bsc#1263863).\n- CVE-2026-37458: Validate MP_REACH_NLRI attribute against incorrect next-hop (bsc#1263974).\n","status":"published","published":"2026-06-18T14:02:48Z","modified":"2026-06-19T08:15:07.138593658Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:2457-1","title":"Security update for frr","description":"This update for frr fixes the following issue:\n\n- CVE-2026-5107: Fixed an improper access controls in EVPN Type-2 Route Handler (bsc#1261013).\n- CVE-2026-28532: Harden TE/SR TLV iteration against malformed lengths (bsc#1263859).\n- CVE-2026-37457: Fix off-by-one error in FlowSpec operator array bounds check (bsc#1263863).\n- CVE-2026-37458: Validate MP_REACH_NLRI attribute against incorrect next-hop (bsc#1263974).\n","status":"published","published":"2026-06-18T15:54:17Z","modified":"2026-06-19T08:15:07.126530908Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:2644-1","title":"Security update for frr","description":"This update for frr fixes the following issues\n\n- CVE-2026-28532: Denial of Service due to integer overflow in OSPF TLV parser functions (bsc#1263859).\n- CVE-2026-37457: An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function\n  (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (bsc#1263863).\n- CVE-2026-37458: missing input validation in the `MP_REACH_NLRI` component allows authenticated attackers to cause a\n  DoS via a crafted UPDATE message (bsc#1263974).\n","status":"published","published":"2026-06-26T08:52:49Z","modified":"2026-06-27T08:45:06.605622547Z","updated_at":"2026-11-02T15:54:04.519245Z"}]}}