{"id":"CVE-2026-5475","aliases":["EUVD-2026-18813","GHSA-j8qx-48g9-p37g"],"status":"published","title":"NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruption","description":"A vulnerability was determined in NASA cFS up to 7.0.0. This impacts the function CFE_SB_TransmitMsg of the file cfe_sb_priv.c of the component CCSDS Header Size Handler. Executing a manipulation can lead to memory corruption. The project was informed of the problem early through an issue report but has not responded yet.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00229,"percentile":0.13708,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2026-04-03T17:15:10Z","modified":"2026-10-28T02:30:26Z","products":[{"vendor":"nasa","product":"cfs"},{"vendor":"nasa","product":"core_flight_system"}],"references":[{"url":"https://vuldb.com/vuln/355079","tags":["vdb-entry","technical-description","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://vuldb.com/vuln/355079/cti","tags":["signature","permissions-required","Permissions Required","VDB Entry","report"]},{"url":"https://vuldb.com/submit/781951","tags":["third-party-advisory","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://github.com/nasa/cFS/issues/953","tags":["issue-tracking","Issue Tracking","report"]},{"url":"https://github.com/nasa/cFS/","tags":["product","Product","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5475","tags":["advisory"]},{"url":"https://github.com/nasa/cFS"},{"url":"https://github.com/advisories/GHSA-j8qx-48g9-p37g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5475.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-5475","title":"NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruption","description":"A vulnerability was determined in NASA cFS up to 7.0.0. This impacts the function CFE_SB_TransmitMsg of the file cfe_sb_priv.c of the component CCSDS Header Size Handler. Executing a manipulation can lead to memory corruption. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-04-03T17:15:10.831Z","modified":"2026-04-03T17:26:49.188Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X","level":"medium","assessor":"cna"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R","level":"medium","assessor":"cna"},{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R","level":"medium","assessor":"cna"},{"version":"2.0","score":5.2,"vector":"AV:A/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T13:39:27.849196Z"}],"euvd":[{"id":"EUVD-2026-18813","description":"A vulnerability was determined in NASA cFS up to 7.0.0. This impacts the function CFE_SB_TransmitMsg of the file cfe_sb_priv.c of the component CCSDS Header Size Handler. Executing a manipulation can lead to memory corruption. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-04-03T17:15:10Z","modified":"2026-04-03T17:26:49Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X","level":"medium"}],"updated_at":"2026-11-02T19:25:16.550278Z"}],"ghsa":[{"id":"GHSA-j8qx-48g9-p37g","title":"A vulnerability was determined in NASA cFS up to 7.0.0. This impacts the function...","description":"A vulnerability was determined in NASA cFS up to 7.0.0. This impacts the function CFE_SB_TransmitMsg of the file cfe_sb_priv.c of the component CCSDS Header Size Handler. Executing a manipulation can lead to memory corruption. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-04-03T18:31:23Z","modified":"2026-04-03T18:31:34Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:07:08.460272Z"}],"nvd":[{"id":"CVE-2026-5475","description":"A vulnerability was determined in NASA cFS up to 7.0.0. This impacts the function CFE_SB_TransmitMsg of the file cfe_sb_priv.c of the component CCSDS Header Size Handler. Executing a manipulation can lead to memory corruption. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-04-03T18:16:26.25Z","modified":"2026-07-24T09:10:00.153Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":5.2,"vector":"AV:A/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"secondary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:12:13.1424Z"}],"osv":[{"id":"CVE-2026-5475","title":"NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruption","description":"A vulnerability was determined in NASA cFS up to 7.0.0. This impacts the function CFE_SB_TransmitMsg of the file cfe_sb_priv.c of the component CCSDS Header Size Handler. Executing a manipulation can lead to memory corruption. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-04-03T17:15:10.831Z","modified":"2026-10-28T02:30:26.882927455Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:45:10.818486Z"}]}}