{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-110659","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-14T13:08:40.336Z","datePublished":"2026-10-14T15:01:25.207Z","dateUpdated":"2026-10-20T01:27:15.189Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-14T15:01:25.207Z"},"datePublic":"2026-10-14T00:00:00.000Z","title":"ELFIO through 3.12 NULL Pointer Dereference via relocation_section_accessor get_entry","descriptions":[{"lang":"en","value":"ELFIO through 3.12 contains a NULL pointer dereference vulnerability in relocation_section_accessor get_entry() that allows attackers to crash applications via an unvalidated sh_link index. Attackers can supply a crafted ELF file whose SHT_REL or SHT_RELA section has a dangling sh_link, causing find_hash_section() to dereference null and deny service."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"NULL Pointer Dereference","cweId":"CWE-476","type":"CWE"}]}],"affected":[{"vendor":"serge1","product":"ELFIO","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","versionType":"custom","lessThanOrEqual":"3.12"}],"collectionURL":"https://github.com/serge1/ELFIO","repo":"https://github.com/serge1/ELFIO"}],"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:H/SC:N/SI:N/SA:N","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.8,"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:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://hackmd.io/@haind-pwn/elfio-relocation-get-entry-null-deref","tags":["technical-description","exploit"]},{"url":"https://github.com/serge1/ELFIO/blob/8ae6cec5d60495822ecd57d736f66149da9b1830/elfio/elfio_relocation.hpp#L142","tags":["technical-description"]},{"url":"https://github.com/serge1/ELFIO","tags":["product"]},{"name":"VulnCheck Advisory: ELFIO through 3.12 NULL Pointer Dereference via relocation_section_accessor get_entry","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/elfio-through-3.12-null-pointer-dereference-via-relocation-section-accessor-get-entry"}],"credits":[{"lang":"en","value":"HaiND from the Post and Telecommunication Institute of Technology","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-20T01:27:03.367591Z","id":"CVE-2026-110659","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-20T01:27:15.189Z"}}]}}