usn-8376-1
Vulnerability from osv_ubuntu
Published
2026-06-03 13:15
Modified
2026-06-30 15:55
Summary
frr vulnerabilities
Details

It was discovered that FRR incorrectly handled certain OSPF Traffic Engineering and Segment Routing TLVs. An attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2026-28532)

It was discovered that FRR incorrectly handled certain BGP FlowSpec components. An attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2026-37457)

It was discovered that FRR did not properly validate certain MP_REACH_NLRI messages. An authenticated user could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2026-37458)

It was discovered that FRR incorrectly handled processing certain BGP UPDATE messages. An attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. This issue only affected Ubuntu 25.04 and Ubuntu 25.10. (CVE-2026-37459)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-28532",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-37457",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-37458",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "frr",
            "binary_version": "8.1-1ubuntu1.16"
          },
          {
            "binary_name": "frr-pythontools",
            "binary_version": "8.1-1ubuntu1.16"
          },
          {
            "binary_name": "frr-rpki-rtrlib",
            "binary_version": "8.1-1ubuntu1.16"
          },
          {
            "binary_name": "frr-snmp",
            "binary_version": "8.1-1ubuntu1.16"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "frr",
        "purl": "pkg:deb/ubuntu/frr@8.1-1ubuntu1.16?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.1-1ubuntu1.16"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.5.1-1.1",
        "8.1-1",
        "8.1-1ubuntu1",
        "8.1-1ubuntu1.1",
        "8.1-1ubuntu1.2",
        "8.1-1ubuntu1.3",
        "8.1-1ubuntu1.4",
        "8.1-1ubuntu1.5",
        "8.1-1ubuntu1.6",
        "8.1-1ubuntu1.7",
        "8.1-1ubuntu1.8",
        "8.1-1ubuntu1.9",
        "8.1-1ubuntu1.10",
        "8.1-1ubuntu1.11",
        "8.1-1ubuntu1.13",
        "8.1-1ubuntu1.14",
        "8.1-1ubuntu1.15"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-28532",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-37457",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-37458",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "frr",
            "binary_version": "8.4.4-1.1ubuntu6.7"
          },
          {
            "binary_name": "frr-pythontools",
            "binary_version": "8.4.4-1.1ubuntu6.7"
          },
          {
            "binary_name": "frr-rpki-rtrlib",
            "binary_version": "8.4.4-1.1ubuntu6.7"
          },
          {
            "binary_name": "frr-snmp",
            "binary_version": "8.4.4-1.1ubuntu6.7"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "frr",
        "purl": "pkg:deb/ubuntu/frr@8.4.4-1.1ubuntu6.7?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.4.4-1.1ubuntu6.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "8.4.4-1.1ubuntu1",
        "8.4.4-1.1ubuntu3",
        "8.4.4-1.1ubuntu4",
        "8.4.4-1.1ubuntu5",
        "8.4.4-1.1ubuntu6",
        "8.4.4-1.1ubuntu6.1",
        "8.4.4-1.1ubuntu6.2",
        "8.4.4-1.1ubuntu6.3",
        "8.4.4-1.1ubuntu6.4",
        "8.4.4-1.1ubuntu6.5",
        "8.4.4-1.1ubuntu6.6"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-28532",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-37457",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-37458",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-37459",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:25.10"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "frr",
            "binary_version": "10.4.1-3ubuntu1.4"
          },
          {
            "binary_name": "frr-pythontools",
            "binary_version": "10.4.1-3ubuntu1.4"
          },
          {
            "binary_name": "frr-rpki-rtrlib",
            "binary_version": "10.4.1-3ubuntu1.4"
          },
          {
            "binary_name": "frr-snmp",
            "binary_version": "10.4.1-3ubuntu1.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "frr",
        "purl": "pkg:deb/ubuntu/frr@10.4.1-3ubuntu1.4?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "10.4.1-3ubuntu1.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "10.2.1-1ubuntu3",
        "10.3-3ubuntu2",
        "10.4.1-3ubuntu1",
        "10.4.1-3ubuntu1.1",
        "10.4.1-3ubuntu1.2",
        "10.4.1-3ubuntu1.3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-28532",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-37457",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-37458",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-37459",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:26.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "frr",
            "binary_version": "10.5.1-1ubuntu4.1"
          },
          {
            "binary_name": "frr-pythontools",
            "binary_version": "10.5.1-1ubuntu4.1"
          },
          {
            "binary_name": "frr-rpki-rtrlib",
            "binary_version": "10.5.1-1ubuntu4.1"
          },
          {
            "binary_name": "frr-snmp",
            "binary_version": "10.5.1-1ubuntu4.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "frr",
        "purl": "pkg:deb/ubuntu/frr@10.5.1-1ubuntu4.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "10.5.1-1ubuntu4.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "10.4.1-3ubuntu1",
        "10.4.1-3ubuntu2",
        "10.5.1-1ubuntu1",
        "10.5.1-1ubuntu2",
        "10.5.1-1ubuntu3",
        "10.5.1-1ubuntu4"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that FRR incorrectly handled certain OSPF Traffic\nEngineering and Segment Routing TLVs. An attacker could possibly use this\nissue to cause FRR to crash, resulting in a denial of service.\n(CVE-2026-28532)\n\nIt was discovered that FRR incorrectly handled certain BGP FlowSpec\ncomponents. An attacker could possibly use this issue to cause FRR to\ncrash, resulting in a denial of service. (CVE-2026-37457)\n\nIt was discovered that FRR did not properly validate certain MP_REACH_NLRI\nmessages. An authenticated user could possibly use this issue to cause FRR\nto crash, resulting in a denial of service. (CVE-2026-37458)\n\nIt was discovered that FRR incorrectly handled processing certain BGP\nUPDATE messages. An attacker could possibly use this issue to cause FRR to\ncrash, resulting in a denial of service. This issue only affected Ubuntu\n25.04 and Ubuntu 25.10. (CVE-2026-37459)",
  "id": "USN-8376-1",
  "modified": "2026-06-30T15:55:20Z",
  "published": "2026-06-03T13:15:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8376-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-28532"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-37457"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-37458"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-37459"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "frr vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2026-28532",
    "UBUNTU-CVE-2026-37457",
    "UBUNTU-CVE-2026-37458",
    "UBUNTU-CVE-2026-37459"
  ]
}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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