{"id":"CVE-2026-82480","title":"A security flaw has been discovered in NASA cFS up to 7.0.1","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 the component cFE Software Bus. Performing a manipulat…","severity":"high","cvss":7.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L","cwe":["CWE-189","CWE-191"],"published":"2026-08-30","updated":"2026-08-30","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82480","references":[{"url":"https://vuldb.com/cve/CVE-2026-82480","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/888018","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/397030","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/397030/cti","label":"cna@vuldb.com"}],"tags":["nvd"],"epss":0.00224,"epssPercentile":0.13315,"ingestedAt":"2026-08-30T14:53:42.828Z","slug":"CVE-2026-82480","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":40.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}