{"id":"CVE-2026-82480","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-82480","summary":"A security flaw has been discovered in NASA cFS up to 7.0.1. The affected element is the function CFE_SB_GetUserDataLength of the file src/cFS/cfe/modules/sb/fsw/src/cfe_sb_util.c of…","details":"A security flaw has been discovered in NASA cFS up to 7.0.1. The affected element is the function CFE_SB_GetUserDataLength of the file src/cFS/cfe/modules/sb/fsw/src/cfe_sb_util.c of the component cFE Software Bus. Performing a manipulation of the argument TotalMsgSize/HdrSize results in integer underflow. It is possible to initiate the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.","published":"2026-08-30T06:16:56.730","modified":"2026-08-30T06:16:56.730","cvss":{"score":7.4,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://vuldb.com/cve/CVE-2026-82480"},{"type":"WEB","url":"https://vuldb.com/submit/888018"},{"type":"WEB","url":"https://vuldb.com/vuln/397030"},{"type":"WEB","url":"https://vuldb.com/vuln/397030/cti"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-30T06:16:56.730"}}