{"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": "2026-09-17T20:26:21.921Z"}, "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"}}}}

{}

{"affected": [{"affectedData": [{"product": "openslide", "vendor": "openslide", "versions": [{"status": "affected", "version": ">= 3.4.1, < 4.0.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "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."}], "id": "CVE-2026-48977", "lastModified": "2026-09-17T21:17:13.323", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-17T21:17:13.323", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/openslide/openslide/commit/2be88bd782d9fff46de8e56a99baca523e7917b3"}, {"source": "security-advisories@github.com", "url": "https://github.com/openslide/openslide/pull/751"}, {"source": "security-advisories@github.com", "url": "https://github.com/openslide/openslide/releases/tag/v4.0.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/openslide/openslide/security/advisories/GHSA-mxg2-48g7-fmwc"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-123"}, {"lang": "en", "value": "CWE-823"}, {"lang": "en", "value": "CWE-1284"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}