{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-123976","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-06T17:54:14.114Z","datePublished":"2026-11-06T17:58:31.600Z","dateUpdated":"2026-11-06T17:58:31.600Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-06T17:58:31.600Z"},"datePublic":"2026-11-05T00:00:00.000Z","title":"EDFbrowser before 2.16 Out-of-Bounds Write via check_edf_file() Annotation Signals","descriptions":[{"lang":"en","value":"EDFbrowser before 2.16 contains an out-of-bounds write vulnerability in check_edf_file() that allows attackers to overflow the 256-element annot_ch array by supplying excessive annotation signals. Attackers can craft an EDF+ or BDF+ file with more than 256 annotation signals to overwrite edfhdrblock members, including the signal parameter pointer, crashing the application when opened."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Out-of-bounds Write","cweId":"CWE-787","type":"CWE"}]}],"affected":[{"vendor":"Teunis van Beelen","product":"EDFbrowser","defaultStatus":"unaffected","versions":[{"version":"0","lessThan":"2.16","status":"affected","versionType":"custom"}],"packageURL":"pkg:gitlab/teuniz/edfbrowser","repo":"https://gitlab.com/Teuniz/EDFbrowser"}],"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://gitlab.com/Teuniz/EDFbrowser/-/commit/f64cec4a22af34adb7bbdf5fec12cb3a880ddc5a","tags":["patch"]},{"url":"https://gitlab.com/Teuniz/EDFbrowser/-/tags/v2.16","tags":["release-notes"]},{"url":"https://gitlab.com/Teuniz/EDFbrowser/-/blob/v2.15/check_edf_file.c#L686-L708","tags":["technical-description"]},{"url":"https://gitlab.com/Teuniz/EDFbrowser/-/blob/v2.15/global.h#L250","tags":["technical-description"]},{"url":"https://gitlab.com/Teuniz/EDFbrowser","tags":["product"]},{"name":"VulnCheck Advisory: EDFbrowser before 2.16 Out-of-Bounds Write via check_edf_file() Annotation Signals","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/edfbrowser-before-2.16-out-of-bounds-write-via-check-edf-file-annotation-signals"}],"credits":[{"lang":"en","value":"Deus Rex","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}