{"id":"CVE-2026-110661","state":"PUBLISHED","title":"CGNS through 4.5.2 Stack Out-of-Bounds Read via ADFI_read_node_header","description":"CGNS through 4.5.2 contains a stack out-of-bounds read vulnerability in ADFI_read_node_header that allows attackers to crash applications by supplying crafted ADF node headers. Attackers can craft .cgns or .adf files whose non-NUL-terminated end tag causes ADFI_stridx_c to scan past disk_node_data, crashing tools like cgnslist.","publishedAt":"2026-10-14T15:01:26.787Z","updatedAt":"2026-10-14T15:01:26.787Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["CGNS CGNS"],"affected":[{"vendor":"CGNS","product":"CGNS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.5.2","versionType":"semver"}],"collectionURL":"https://github.com/CGNS/CGNS","repo":"https://github.com/CGNS/CGNS"}],"references":["https://hackmd.io/@haind-pwn/cgns-adf-node-header-oob-read","https://github.com/CGNS/CGNS/blob/3a972d92559787a49c5f9a54974ea1946ecb9d21/src/adf/ADF_internals.c#L6828","https://github.com/CGNS/CGNS","https://www.vulncheck.com/advisories/cgns-through-4.5.2-stack-out-of-bounds-read-via-adfi-read-node-header"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/110xxx/CVE-2026-110661.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-110661","state":"PUBLISHED","datePublished":"2026-10-14T15:01:26.787Z","dateUpdated":"2026-10-14T15:01:26.787Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-14T13:08:41.030Z"},"containers":{"cna":{"title":"CGNS through 4.5.2 Stack Out-of-Bounds Read via ADFI_read_node_header","descriptions":[{"lang":"en","value":"CGNS through 4.5.2 contains a stack out-of-bounds read vulnerability in ADFI_read_node_header that allows attackers to crash applications by supplying crafted ADF node headers. Attackers can craft .cgns or .adf files whose non-NUL-terminated end tag causes ADFI_stridx_c to scan past disk_node_data, crashing tools like cgnslist."}],"affected":[{"vendor":"CGNS","product":"CGNS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.5.2","versionType":"semver"}],"collectionURL":"https://github.com/CGNS/CGNS","repo":"https://github.com/CGNS/CGNS"}],"references":[{"url":"https://hackmd.io/@haind-pwn/cgns-adf-node-header-oob-read","tags":["technical-description","exploit"]},{"url":"https://github.com/CGNS/CGNS/blob/3a972d92559787a49c5f9a54974ea1946ecb9d21/src/adf/ADF_internals.c#L6828","tags":["technical-description"]},{"url":"https://github.com/CGNS/CGNS","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/cgns-through-4.5.2-stack-out-of-bounds-read-via-adfi-read-node-header","name":"VulnCheck Advisory: CGNS through 4.5.2 Stack Out-of-Bounds Read via ADFI_read_node_header","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":3.3,"baseSeverity":"LOW"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"Out-of-bounds Read","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-14T15:01:26.787Z"},"datePublic":"2026-10-14T00:00:00.000Z","credits":[{"lang":"en","value":"HaiND from the Post and Telecommunication Institute of Technology","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}}