{"id":"CVE-2026-101938","title":"An Integer Underflow (Wrap or Wraparound) vulnerability in the srxpfe of Juniper Networks Junos OS and Junos OS Evolved on the SRX Series allows an adjacent unauthenticated attacker to cause a forwarding-plane denial of service via an IC…","summary":"An Integer Underflow (Wrap or Wraparound) vulnerability in the srxpfe of Juniper Networks Junos OS and Junos OS Evolved on the SRX Series allows an adjacent unauthenticated attacker to cause a forwarding-plane denial of service via an IC…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-191"],"vendor":"Juniper Networks","product":"Junos OS","affected":["junos_os < 23.2R2-S7.7","junos_os >= 23.4 < 23.4R2-S8.13","junos_os >= 24.2 < 24.2R2-S5.5","junos_os >= 24.4 < 24.4R2-S5","junos_os >= 25.2 < 25.2R2-S2","junos_os >= 25.4 < 25.4R1-S3","junos_os >= 26.2 < 26.2R1-S2","junos_os_evolved < 23.2R2-S7.7-EVO","junos_os_evolved >= 23.4 < 23.4R2-S8.11-EVO","junos_os_evolved >= 24.2 < 24.2R2-S5.6-EVO","junos_os_evolved >= 24.4 < 24.4R2-S5-EVO","junos_os_evolved >= 25.2 < 25.2R2-S2-EVO","junos_os_evolved >= 25.4 < 25.4R1-S3-EVO","junos_os_evolved >= 26.2 < 26.2R1-S2-EVO","junos_os_evolved 23.4X100","junos_os_evolved >= 25.2X100 < 25.2X100-D35-EVO","junos_os_evolved >= 25.4X300 < 25.4X300-D40-EVO"],"published":"2026-10-14","updated":"2026-10-15","sourceUpdated":"2026-10-15T16:23:06.250","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-101938","references":[{"url":"https://supportportal.juniper.net/JSA112186","label":"sirt@juniper.net"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-14T20:15:26.294710Z"},"ingestedAt":"2026-10-14T17:44:53.627Z","epss":0.00245,"epssPercentile":0.15592,"slug":"CVE-2026-101938","body":"## Overview\n\nAn Integer Underflow (Wrap or Wraparound) vulnerability in the srxpfe of Juniper Networks Junos OS and Junos OS Evolved on the SRX Series allows an adjacent unauthenticated attacker to cause a forwarding-plane denial of service via an ICMP message associated with an SVR carrier session.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}