{"schemaVersion":3,"id":"CVE-2026-102024","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"An Integer Overflow or Wraparound vulnerability in the routing daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an authenticated BGP peer to cause a denial of service via BGP route updates when extended-nexthop-tunnel is enabled.","dates":{"published":"2026-10-14T16:47:24.285Z","modified":"2026-10-16T16:42:13.376Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.7,"severity":"high","version":"4.0","versionLabel":"v4.0","source":"CVE.org","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":8.7,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":8.7,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:C/RE:M/U:X","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0046,"percentile":0.38822,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-15T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.0046,"percentile":0.38822}],"last30":[{"date":"2026-10-15T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.0046,"percentile":0.38822}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-190","name":"Integer Overflow or Wraparound","description":"The product performs a calculation that can\n         produce an integer overflow or wraparound when the logic\n         assumes that the resulting value will always be larger than\n         the original value. This occurs when an integer value is\n         incremented to a value that is too large to store in the\n         associated representation. When this occurs, the value may\n         become a very small or negative number.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/190.html"}],"affected":[{"vendor":"juniper networks","product":"junos os","name":"Junos OS","label":"junos os","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 23.2R2-S7.7","noFixRecorded":false,"fixedIn":null},{"text":"≥ 23.4, < 23.4R2-S8.13","noFixRecorded":false,"fixedIn":null},{"text":"≥ 24.2, < 24.2R2-S5.5","noFixRecorded":false,"fixedIn":null},{"text":"≥ 24.4, < 24.4R2-S5","noFixRecorded":false,"fixedIn":null},{"text":"≥ 25.2, < 25.2R2-S2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 25.4, < 25.4R1-S3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 26.2, < 26.2R1-S2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 23.2R2-S7.7 | ≥ 23.4, < 23.4R2-S8.13 | ≥ 24.2, < 24.2R2-S5.5 | ≥ 24.4, < 24.4R2-S5 | ≥ 25.2, < 25.2R2-S2 | ≥ 25.4, < 25.4R1-S3 | ≥ 26.2, < 26.2R1-S2","eol":null,"hubHref":"/vendor/juniper_networks/junos_os"},{"vendor":"juniper networks","product":"junos os evolved","name":"Junos OS Evolved","label":"junos os evolved","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 23.2R2-S7.7-EVO","noFixRecorded":false,"fixedIn":null},{"text":"≥ 23.4, < 23.4R2-S8.11-EVO","noFixRecorded":false,"fixedIn":null},{"text":"≥ 24.2, < 24.2R2-S5.6-EVO","noFixRecorded":false,"fixedIn":null},{"text":"≥ 24.4, < 24.4R2-S5-EVO","noFixRecorded":false,"fixedIn":null},{"text":"≥ 25.2, < 25.2R2-S2-EVO","noFixRecorded":false,"fixedIn":null},{"text":"≥ 25.4, < 25.4R1-S3-EVO","noFixRecorded":false,"fixedIn":null},{"text":"≥ 26.2, < 26.2R1-S2-EVO","noFixRecorded":false,"fixedIn":null},{"text":"23.4X100","noFixRecorded":false,"fixedIn":null},{"text":"≥ 25.2X100, < 25.2X100-D35-EVO","noFixRecorded":false,"fixedIn":null},{"text":"≥ 25.4X300, < 25.4X300-D40-EVO","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 23.2R2-S7.7-EVO | ≥ 23.4, < 23.4R2-S8.11-EVO | ≥ 24.2, < 24.2R2-S5.6-EVO | ≥ 24.4, < 24.4R2-S5-EVO | ≥ 25.2, < 25.2R2-S2-EVO | ≥ 25.4, < 25.4R1-S3-EVO | ≥ 26.2, < 26.2R1-S2-EVO | 23.4X100 | ≥ 25.2X100, < 25.2X100-D35-EVO | ≥ 25.4X300, < 25.4X300-D40-EVO","eol":null,"hubHref":"/vendor/juniper_networks/junos_os_evolved"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://supportportal.juniper.net/JSA112187","label":"supportportal.juniper.net/JSA112187","hostname":"supportportal.juniper.net","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-14T16:47:24.285Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-16T16:42:13.376Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":35,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T05:23:47.041Z","stale":false,"partial":false}}