{"id":"CVE-2026-5475","state":"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.","publishedAt":"2026-04-03T17:15:10.831Z","updatedAt":"2026-04-03T17:26:49.188Z","severity":{"score":5.1,"label":"Medium","version":"4.0","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","source":"VulDB"},"assigner":"VulDB","products":["NASA cFS"],"affected":[{"vendor":"NASA","product":"cFS","versions":[{"version":"7.0","status":"affected"}],"cpes":["cpe:2.3:a:nasa:cfs:*:*:*:*:*:*:*:*"],"modules":["CCSDS Header Size Handler"]}],"references":["https://vuldb.com/vuln/355079","https://vuldb.com/vuln/355079/cti","https://vuldb.com/submit/781951","https://github.com/nasa/cFS/issues/953","https://github.com/nasa/cFS/"],"weaknesses":["CWE-119"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/5xxx/CVE-2026-5475.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-5475","state":"PUBLISHED","datePublished":"2026-04-03T17:15:10.831Z","dateUpdated":"2026-04-03T17:26:49.188Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-04-03T07:51:21.728Z"},"containers":{"cna":{"title":"NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruption","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"NASA","product":"cFS","versions":[{"version":"7.0","status":"affected"}],"cpes":["cpe:2.3:a:nasa:cfs:*:*:*:*:*:*:*:*"],"modules":["CCSDS Header Size Handler"]}],"references":[{"url":"https://vuldb.com/vuln/355079","name":"VDB-355079 | NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruption","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/355079/cti","name":"VDB-355079 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/781951","name":"Submit #781951 | NASA cFS 7.0.0 CFE_SB_TransmitMsg memcpy trusts CCSDS header size without sourc","tags":["third-party-advisory"]},{"url":"https://github.com/nasa/cFS/issues/953","tags":["issue-tracking"]},{"url":"https://github.com/nasa/cFS/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.1,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.5,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.5,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":5.2,"vectorString":"AV:A/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-04-03T17:15:10.831Z"},"timeline":[{"time":"2026-04-03T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-04-03T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-04-03T09:56:33.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"0rbitingZer0 (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-03T17:26:20.844969Z","id":"CVE-2026-5475","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-03T17:26:49.188Z"}}]}}}