{"id":"CVE-2026-103393","aliases":[],"cve":{"records":[{"id":"CVE-2026-103393","source":"juniper","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-30T14:27:56.628Z","published":"2026-10-28T16:34:00.167Z","modified":"2026-10-28T16:34:00.167Z"}],"publishers":[{"name":"juniper","role":"CNA","organizationId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","modified":"2026-10-28T16:34:00.167Z"}],"references":[{"url":"https://supportportal.juniper.net/JSA112183","tags":["vendor-advisory"],"source":"juniper"}],"weaknesses":[{"id":"CWE-125","description":"CWE-125 Out-of-bounds Read","source":"juniper"}],"applicability":[],"prioritization":[]},"title":"Session Smart Router: An attacker can cause an out-of-bounds read during VRRP packet processing","titleSource":"juniper","descriptionSource":"juniper","description":"An Out-of-Bounds Read vulnerability in the VRRP implementation in Juniper Networks Session Smart Router allows an L2-adjacent attacker to read stale memory contents or cause a system fault via a specially crafted VRRPv3 advertisement.","score":4.3,"severity":"medium","published":"2026-10-28T16:34:00.167Z","modified":"2026-10-28T16:34:00.167Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Juniper Networks","name":"Session Smart Router","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"7.0.5","versionType":"custom"},{"version":"7.1.0","status":"affected","lessThan":"7.1.7","versionType":"custom"},{"version":"7.2.0","status":"affected","lessThan":"7.2.3","versionType":"custom"}],"defaultStatus":"unaffected","cpes":[],"source":"juniper","url":"https://www.cve.org/CVERecord?id=CVE-2026-103393"}],"remediation":[{"text":"The following software releases of Session Smart Router have been updated to resolve these specific issues:\n  *  7.0.5 \n\nand all subsequent releases;\n  *  7.1.7 \n\nand all subsequent releases;\n  *  7.2.3 and all subsequent releases.","source":"juniper","url":"https://www.cve.org/CVERecord?id=CVE-2026-103393"},{"text":"There are no known workarounds for this issue.","source":"juniper","url":"https://www.cve.org/CVERecord?id=CVE-2026-103393"}],"references":["https://supportportal.juniper.net/JSA112183"],"sources":[{"name":"CVE","id":"CVE-2026-103393","modified":"2026-10-28T16:34:00.167Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-103393"}],"assessments":[{"source":"juniper","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":4.3}],"sourceAffected":[],"observedAt":"2026-10-29T14:08:53.711Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T10:00:31.629Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":{"text":"An out-of-bounds read vulnerability in Juniper Networks Session Smart Router's VRRP implementation allows an L2-adjacent attacker to read stale memory contents or cause a system fault via a specially crafted VRRPv3 advertisement, affecting versions less than 7.0.5, 7.1.7, and 7.2.3. The attacker must be L2-adjacent to exploit the vulnerability. The impact is reading stale memory contents or causing a system fault.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:19:57.741Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-103393"}]}}