{"id":"CVE-2026-101968","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-101968","generatedAt":"2026-10-27T22:46:23.007Z","title":"An Integer Underflow (Wrap or Wraparound) vulnerability in the rpd process of Juniper Networks Junos OS on EX Series and MX Series, and Junos OS Evolved on ACX Series allows an unauthenticated adjacent attacker to cause heap memory disclosure and…","description":"An Integer Underflow (Wrap or Wraparound) vulnerability in the rpd process of Juniper Networks Junos OS on EX Series and MX Series, and Junos OS Evolved on ACX Series allows an unauthenticated adjacent attacker to cause heap memory disclosure and multicast join-state injection via a malformed Rosen-MVPN message.\n\nThis issue only affects platforms that support draft Rosen MVPN, such as the ACX Series, EX Series, and MX Series.","published":"2026-10-14T17:17:49.000Z","lastModified":"2026-10-16T16:16:50.000Z","status":"Awaiting Analysis","sourceIdentifier":"sirt@juniper.net","cvss":{"version":"4.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-191"],"affected":[],"epss":{"score":0.00245,"percentile":0.15633,"date":"2026-10-26","history":[{"date":"2026-10-15","score":0.00245,"percentile":0.14631}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-14T17:17:49.000Z","detail":{"score":"5.3","severity":"MEDIUM","publishedAt":"2026-10-14T17:17:49.243Z"},"summary":"New CVE, medium severity (CVSS 5.3)."}],"references":[{"url":"https://supportportal.juniper.net/JSA112187","source":"sirt@juniper.net"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-101968","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}