{"id":"CVE-2026-101968","revision":null,"records":[{"revision":"9999161ad62249fa8e80ad7447352aeb","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-101968","aliases":[],"title":"Junos OS and Junos OS Evolved: EX Series, MX Series, ACX Series: An attacker causes rpd heap memory disclosure when Rosen-MVPN data-MDT is enabled","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.","state":0,"publishedAt":"2026-10-14T16:43:07.66+00:00","modifiedAt":"2026-10-16T15:31:48.596+00:00","affected":[{"ecosystem":"Vendor product","name":"Junos OS","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"defaultStatus\": \"unaffected\",\n \"platforms\": [\n \"EX Series\",\n \"MX Series\"\n ],\n \"product\": \"Junos OS\",\n \"vendor\": \"Juniper Networks\",\n \"versions\": [\n {\n \"lessThan\": \"23.2R2-S7.7\",\n \"status\": \"affected\",\n \"version\": \"0\",\n \"versionType\": \"custom\"\n },\n {\n \"lessThan\": \"23.4R2-S8.13\",\n \"status\": \"affected\",\n \"version\": \"23.4\",\n \"versionType\": \"custom\"\n },\n {\n \"lessThan\": \"24.2R2-S5.5\",\n \"status\": \"affected\",\n \"version\": \"24.2\",\n \"versionType\": \"custom\"\n },\n {\n \"lessThan\": \"24.4R2-S5\",\n \"status\": \"affected\",\n \"version\": \"24.4\",\n \"versionType\": \"custom\"\n },\n {\n \"lessThan\": \"25.2R2-S2\",\n \"status\": \"affected\",\n \"version\": \"25.2\",\n \"versionType\": \"custom\"\n },\n {\n \"lessThan\": \"25.4R1-S3\",\n \"status\": \"affected\",\n \"version\": \"25.4\",\n \"versionType\": \"custom\"\n },\n {\n \"lessThan\": \"26.2R1-S2\",\n \"status\": \"affected\",\n \"version\": \"26.2\",\n \"versionType\": \"custom\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Junos OS Evolved","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"defaultStatus\": \"unaffected\",\n \"platforms\": [\n \"ACX Series\"\n ],\n \"product\": \"Junos OS Evolved\",\n \"vendor\": \"Juniper Networks\",\n \"versions\": [\n {\n \"lessThan\": \"23.2R2-S7.7-EVO\",\n \"status\": \"affected\",\n \"version\": \"0\",\n \"versionType\": \"custom\"\n },\n {\n \"lessThan\": \"23.4R2-S8.11-EVO\",\n \"status\": \"affected\",\n \"version\": \"23.4\",\n \"versionType\": \"custom\"\n },\n {\n \"lessThan\": \"24.2R2-S5.6-EVO\",\n \"status\": \"affected\",\n \"version\": \"24.2\",\n \"versionType\": \"custom\"\n },\n {\n \"lessThan\": \"24.4R2-S5-EVO\",\n \"status\": \"affected\",\n \"version\": \"24.4\",\n \"versionType\": \"custom\"\n },\n {\n \"lessThan\": \"25.2R2-S2-EVO\",\n \"status\": \"affected\",\n \"version\": \"25.2\",\n \"versionType\": \"custom\"\n },\n {\n \"lessThan\": \"25.4R1-S3-EVO\",\n \"status\": \"affected\",\n \"version\": \"25.4\",\n \"versionType\": \"custom\"\n },\n {\n \"lessThan\": \"26.2R1-S2-EVO\",\n \"status\": \"affected\",\n \"version\": \"26.2\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"23.4X100\",\n \"versionType\": \"custom\"\n },\n {\n \"lessThan\": \"25.2X100-D35-EVO\",\n \"status\": \"affected\",\n \"version\": \"25.2X100\",\n \"versionType\": \"custom\"\n },\n {\n \"lessThan\": \"25.4X300-D40-EVO\",\n \"status\": \"affected\",\n \"version\": \"25.4X300\",\n \"versionType\": \"custom\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","score":5.4,"severity":"MEDIUM"},{"system":"CVSS 4.0","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/AU:Y/R:A/V:C/RE:M","score":5.3,"severity":"MEDIUM"}],"references":["https://supportportal.juniper.net/JSA112187"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-101968","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-101968","identifiers":["CVE-2026-101968"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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