{"id":"CVE-2026-82479","state":"PUBLISHED","title":"NASA cFS SBN TCP sbn_tcp_if.c OS_read buffer overflow","description":"A vulnerability was identified in NASA cFS up to 7.0.1. Impacted is the function OS_read of the file modules/protocol/tcp/fsw/src/sbn_tcp_if.c of the component SBN TCP Module. Such manipulation of the argument MsgSz leads to buffer overflow. The attack must be carried out from within the local network. The vendor was contacted early about this disclosure but did not respond in any way.","publishedAt":"2026-08-30T05:00:09.833Z","updatedAt":"2026-08-31T18:42:58.217Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/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":"7.0.0","status":"affected"},{"version":"7.0.1","status":"affected"}],"cpes":["cpe:2.3:a:nasa:cfs:*:*:*:*:*:*:*:*"],"modules":["SBN TCP Module"]}],"references":["https://vuldb.com/vuln/397029","https://vuldb.com/vuln/397029/cti","https://vuldb.com/cve/CVE-2026-82479","https://vuldb.com/submit/888017"],"weaknesses":["CWE-120","CWE-119"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/82xxx/CVE-2026-82479.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-82479","state":"PUBLISHED","datePublished":"2026-08-30T05:00:09.833Z","dateUpdated":"2026-08-31T18:42:58.217Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-08-29T14:40:23.930Z"},"containers":{"cna":{"title":"NASA cFS SBN TCP sbn_tcp_if.c OS_read buffer overflow","descriptions":[{"lang":"en","value":"A vulnerability was identified in NASA cFS up to 7.0.1. Impacted is the function OS_read of the file modules/protocol/tcp/fsw/src/sbn_tcp_if.c of the component SBN TCP Module. Such manipulation of the argument MsgSz leads to buffer overflow. The attack must be carried out from within the local network. The vendor was contacted early about this disclosure but did not respond in any way."}],"affected":[{"vendor":"NASA","product":"cFS","versions":[{"version":"7.0.0","status":"affected"},{"version":"7.0.1","status":"affected"}],"cpes":["cpe:2.3:a:nasa:cfs:*:*:*:*:*:*:*:*"],"modules":["SBN TCP Module"]}],"references":[{"url":"https://vuldb.com/vuln/397029","name":"VDB-397029 | NASA cFS SBN TCP sbn_tcp_if.c OS_read buffer overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/397029/cti","name":"VDB-397029 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-82479","name":"CVE-2026-82479 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/888017","name":"Submit #888017 | NASA cFS 7.0.1 Memory Corruption","tags":["third-party-advisory"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":6.3,"vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":6.3,"vectorString":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":5.8,"vectorString":"AV:A/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","type":"CWE","lang":"en","description":"Buffer Overflow"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-08-30T05:00:09.833Z"},"timeline":[{"time":"2026-08-29T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-29T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-29T16:45:49.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"juntheworld (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"x_generator":["VulDB PVTS v202608"]},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://vuldb.com/submit/888017","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-31T18:42:51.274718Z","id":"CVE-2026-82479","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":"2026-08-31T18:42:58.217Z"}}]}}}