{"id":"CVE-2026-5476","title":"A vulnerability was identified in NASA cFS up to 7.0.0 on 32-bit","summary":"A vulnerability was identified in NASA cFS up to 7.0.0 on 32-bit. Affected is the function CFE_TBL_ValidateCodecLoadSize of the file cfe/modules/tbl/fsw/src/cfe_tbl_passthru_codec.c. The manipulation leads to integer overflow. The comple…","severity":"medium","cvss":4.6,"cvssVector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-189","CWE-190"],"vendor":"nasa","product":"core_flight_system","affected":["core_flight_system <= 7.0.0"],"published":"2026-04-03","updated":"2026-07-24","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-5476","references":[{"url":"https://github.com/nasa/cFS/","label":"cna@vuldb.com"},{"url":"https://github.com/nasa/cFS/issues/954","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/781971","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/355080","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/355080/cti","label":"cna@vuldb.com"}],"tags":["nvd"],"epss":0.00209,"epssPercentile":0.11371,"ingestedAt":"2026-07-24T09:23:51.102Z","slug":"CVE-2026-5476","body":"## Overview\n\nA vulnerability was identified in NASA cFS up to 7.0.0 on 32-bit. Affected is the function CFE_TBL_ValidateCodecLoadSize of the file cfe/modules/tbl/fsw/src/cfe_tbl_passthru_codec.c. The manipulation leads to integer overflow. The complexity of an attack is rather high. The exploitability is told to be difficult. A fix is planned for the upcoming version milestone of the project.\n\n## Affected\n\n- `core_flight_system <= 7.0.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":25,"depthScoreParts":{"impact":25.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}