{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48977","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-26T23:26:07.974Z","datePublished":"2026-09-17T20:26:21.921Z","dateUpdated":"2026-09-18T20:07:13.789Z"},"containers":{"cna":{"title":"OpenSlide: Arbitrary memory write with crafted Ventana BIF file","problemTypes":[{"descriptions":[{"cweId":"CWE-123","lang":"en","description":"CWE-123: Write-what-where Condition","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-823","lang":"en","description":"CWE-823: Use of Out-of-range Pointer Offset","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-1284","lang":"en","description":"CWE-1284: Improper Validation of Specified Quantity in Input","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/openslide/openslide/security/advisories/GHSA-mxg2-48g7-fmwc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/openslide/openslide/security/advisories/GHSA-mxg2-48g7-fmwc"},{"name":"https://github.com/openslide/openslide/pull/751","tags":["x_refsource_MISC"],"url":"https://github.com/openslide/openslide/pull/751"},{"name":"https://github.com/openslide/openslide/commit/2be88bd782d9fff46de8e56a99baca523e7917b3","tags":["x_refsource_MISC"],"url":"https://github.com/openslide/openslide/commit/2be88bd782d9fff46de8e56a99baca523e7917b3"},{"name":"https://github.com/openslide/openslide/releases/tag/v4.0.1","tags":["x_refsource_MISC"],"url":"https://github.com/openslide/openslide/releases/tag/v4.0.1"}],"affected":[{"vendor":"openslide","product":"openslide","versions":[{"version":">= 3.4.1, < 4.0.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-09-17T20:26:21.921Z"},"descriptions":[{"lang":"en","value":"OpenSlide is a C library for reading whole slide image files. From 3.4.1 until 4.0.1, OpenSlide's parse_level0_xml() processing in src/openslide-vendor-ventana.c accepts nonpositive row or column tile counts from a crafted Ventana BIF file. The invalid counts produce attacker-controlled relative memory offsets and allow arbitrary values to be written at those offsets, affecting all supported platforms and configurations and resulting in a crash or potential arbitrary code execution. This issue is fixed in version 4.0.1."}],"source":{"advisory":"GHSA-mxg2-48g7-fmwc","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-18T20:07:02.848473Z","id":"CVE-2026-48977","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-18T20:07:13.789Z"}}]}}