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4 vulnerabilities by openslide
CVE-2026-54604 (GCVE-0-2026-54604)
Vulnerability from nvd – Published: 2026-09-17 20:29 – Updated: 2026-09-17 20:29
VLAI
EPSS
VEX
Title
OpenSlide: openslide_read_region() returns uninitialized memory with libtiff 4.7.1
Summary
OpenSlide is a C library for reading whole slide image files. Prior to 4.0.1, a behavior change in libtiff 4.7.1 causes the indirect TIFF tile path in src/openslide-decode-tiff.c and _openslide_tiff_read_tile() to request a full-height destination for a partial bottom tile row, allowing uninitialized heap memory to enter pixel data returned by openslide_read_region(). A crafted but valid slide can trigger the issue in TIFF-based formats other than Hamamatsu NDPI when a network service renders attacker-provided slides. Successful extraction depends on pixel transparency handling and recompression, OpenSlide with libtiff 4.7.0 or earlier is not affected, and official binary builds 4.0.0.10 and 4.0.0.11 are affected. This issue is fixed in OpenSlide 4.0.1 and official binary build 4.0.0.12.
Severity
CWE
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/openslide/openslide/security/a… | x_refsource_CONFIRM |
| https://github.com/openslide/openslide-bin/issues/433 | x_refsource_MISC |
| https://github.com/openslide/openslide-bin/pull/436 | x_refsource_MISC |
| https://github.com/openslide/openslide/pull/706 | x_refsource_MISC |
| https://github.com/openslide/openslide/commit/a4f… | x_refsource_MISC |
| https://github.com/openslide/openslide/releases/t… | x_refsource_MISC |
| https://gitlab.com/libtiff/libtiff/-/work_items/791 | x_refsource_MISC |
{
"containers": {
"cna": {
"affected": [
{
"product": "openslide",
"vendor": "openslide",
"versions": [
{
"status": "affected",
"version": "\u003c 4.0.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "OpenSlide is a C library for reading whole slide image files. Prior to 4.0.1, a behavior change in libtiff 4.7.1 causes the indirect TIFF tile path in src/openslide-decode-tiff.c and _openslide_tiff_read_tile() to request a full-height destination for a partial bottom tile row, allowing uninitialized heap memory to enter pixel data returned by openslide_read_region(). A crafted but valid slide can trigger the issue in TIFF-based formats other than Hamamatsu NDPI when a network service renders attacker-provided slides. Successful extraction depends on pixel transparency handling and recompression, OpenSlide with libtiff 4.7.0 or earlier is not affected, and official binary builds 4.0.0.10 and 4.0.0.11 are affected. This issue is fixed in OpenSlide 4.0.1 and official binary build 4.0.0.12."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-758",
"description": "CWE-758: Reliance on Undefined, Unspecified, or Implementation-Defined Behavior",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-908",
"description": "CWE-908: Use of Uninitialized Resource",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-17T20:29:15.840Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/openslide/openslide/security/advisories/GHSA-f734-jv98-5677",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/openslide/openslide/security/advisories/GHSA-f734-jv98-5677"
},
{
"name": "https://github.com/openslide/openslide-bin/issues/433",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/openslide/openslide-bin/issues/433"
},
{
"name": "https://github.com/openslide/openslide-bin/pull/436",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/openslide/openslide-bin/pull/436"
},
{
"name": "https://github.com/openslide/openslide/pull/706",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/openslide/openslide/pull/706"
},
{
"name": "https://github.com/openslide/openslide/commit/a4f0fb0ec462edcea97ff22288f606ac6cd370f5",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/openslide/openslide/commit/a4f0fb0ec462edcea97ff22288f606ac6cd370f5"
},
{
"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"
},
{
"name": "https://gitlab.com/libtiff/libtiff/-/work_items/791",
"tags": [
"x_refsource_MISC"
],
"url": "https://gitlab.com/libtiff/libtiff/-/work_items/791"
}
],
"source": {
"advisory": "GHSA-f734-jv98-5677",
"discovery": "UNKNOWN"
},
"title": "OpenSlide: openslide_read_region() returns uninitialized memory with libtiff 4.7.1"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-54604",
"datePublished": "2026-09-17T20:29:15.840Z",
"dateReserved": "2026-06-15T19:45:23.540Z",
"dateUpdated": "2026-09-17T20:29:15.840Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-48977 (GCVE-0-2026-48977)
Vulnerability from nvd – Published: 2026-09-17 20:26 – Updated: 2026-09-17 20:26
VLAI
EPSS
VEX
Title
OpenSlide: Arbitrary memory write with crafted Ventana BIF file
Summary
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.
Severity
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/openslide/openslide/security/a… | x_refsource_CONFIRM |
| https://github.com/openslide/openslide/pull/751 | x_refsource_MISC |
| https://github.com/openslide/openslide/commit/2be… | x_refsource_MISC |
| https://github.com/openslide/openslide/releases/t… | x_refsource_MISC |
{
"containers": {
"cna": {
"affected": [
{
"product": "openslide",
"vendor": "openslide",
"versions": [
{
"status": "affected",
"version": "\u003e= 3.4.1, \u003c 4.0.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "OpenSlide is a C library for reading whole slide image files. From 3.4.1 until 4.0.1, OpenSlide\u0027s 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."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"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",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-123",
"description": "CWE-123: Write-what-where Condition",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-823",
"description": "CWE-823: Use of Out-of-range Pointer Offset",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-1284",
"description": "CWE-1284: Improper Validation of Specified Quantity in Input",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-17T20:26:21.921Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"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"
}
],
"source": {
"advisory": "GHSA-mxg2-48g7-fmwc",
"discovery": "UNKNOWN"
},
"title": "OpenSlide: Arbitrary memory write with crafted Ventana BIF file"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-48977",
"datePublished": "2026-09-17T20:26:21.921Z",
"dateReserved": "2026-05-26T23:26:07.974Z",
"dateUpdated": "2026-09-17T20:26:21.921Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-54604 (GCVE-0-2026-54604)
Vulnerability from cvelistv5 – Published: 2026-09-17 20:29 – Updated: 2026-09-17 20:29
VLAI
EPSS
VEX
Title
OpenSlide: openslide_read_region() returns uninitialized memory with libtiff 4.7.1
Summary
OpenSlide is a C library for reading whole slide image files. Prior to 4.0.1, a behavior change in libtiff 4.7.1 causes the indirect TIFF tile path in src/openslide-decode-tiff.c and _openslide_tiff_read_tile() to request a full-height destination for a partial bottom tile row, allowing uninitialized heap memory to enter pixel data returned by openslide_read_region(). A crafted but valid slide can trigger the issue in TIFF-based formats other than Hamamatsu NDPI when a network service renders attacker-provided slides. Successful extraction depends on pixel transparency handling and recompression, OpenSlide with libtiff 4.7.0 or earlier is not affected, and official binary builds 4.0.0.10 and 4.0.0.11 are affected. This issue is fixed in OpenSlide 4.0.1 and official binary build 4.0.0.12.
Severity
CWE
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/openslide/openslide/security/a… | x_refsource_CONFIRM |
| https://github.com/openslide/openslide-bin/issues/433 | x_refsource_MISC |
| https://github.com/openslide/openslide-bin/pull/436 | x_refsource_MISC |
| https://github.com/openslide/openslide/pull/706 | x_refsource_MISC |
| https://github.com/openslide/openslide/commit/a4f… | x_refsource_MISC |
| https://github.com/openslide/openslide/releases/t… | x_refsource_MISC |
| https://gitlab.com/libtiff/libtiff/-/work_items/791 | x_refsource_MISC |
{
"containers": {
"cna": {
"affected": [
{
"product": "openslide",
"vendor": "openslide",
"versions": [
{
"status": "affected",
"version": "\u003c 4.0.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "OpenSlide is a C library for reading whole slide image files. Prior to 4.0.1, a behavior change in libtiff 4.7.1 causes the indirect TIFF tile path in src/openslide-decode-tiff.c and _openslide_tiff_read_tile() to request a full-height destination for a partial bottom tile row, allowing uninitialized heap memory to enter pixel data returned by openslide_read_region(). A crafted but valid slide can trigger the issue in TIFF-based formats other than Hamamatsu NDPI when a network service renders attacker-provided slides. Successful extraction depends on pixel transparency handling and recompression, OpenSlide with libtiff 4.7.0 or earlier is not affected, and official binary builds 4.0.0.10 and 4.0.0.11 are affected. This issue is fixed in OpenSlide 4.0.1 and official binary build 4.0.0.12."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-758",
"description": "CWE-758: Reliance on Undefined, Unspecified, or Implementation-Defined Behavior",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-908",
"description": "CWE-908: Use of Uninitialized Resource",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-17T20:29:15.840Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/openslide/openslide/security/advisories/GHSA-f734-jv98-5677",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/openslide/openslide/security/advisories/GHSA-f734-jv98-5677"
},
{
"name": "https://github.com/openslide/openslide-bin/issues/433",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/openslide/openslide-bin/issues/433"
},
{
"name": "https://github.com/openslide/openslide-bin/pull/436",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/openslide/openslide-bin/pull/436"
},
{
"name": "https://github.com/openslide/openslide/pull/706",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/openslide/openslide/pull/706"
},
{
"name": "https://github.com/openslide/openslide/commit/a4f0fb0ec462edcea97ff22288f606ac6cd370f5",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/openslide/openslide/commit/a4f0fb0ec462edcea97ff22288f606ac6cd370f5"
},
{
"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"
},
{
"name": "https://gitlab.com/libtiff/libtiff/-/work_items/791",
"tags": [
"x_refsource_MISC"
],
"url": "https://gitlab.com/libtiff/libtiff/-/work_items/791"
}
],
"source": {
"advisory": "GHSA-f734-jv98-5677",
"discovery": "UNKNOWN"
},
"title": "OpenSlide: openslide_read_region() returns uninitialized memory with libtiff 4.7.1"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-54604",
"datePublished": "2026-09-17T20:29:15.840Z",
"dateReserved": "2026-06-15T19:45:23.540Z",
"dateUpdated": "2026-09-17T20:29:15.840Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-48977 (GCVE-0-2026-48977)
Vulnerability from cvelistv5 – Published: 2026-09-17 20:26 – Updated: 2026-09-17 20:26
VLAI
EPSS
VEX
Title
OpenSlide: Arbitrary memory write with crafted Ventana BIF file
Summary
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.
Severity
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/openslide/openslide/security/a… | x_refsource_CONFIRM |
| https://github.com/openslide/openslide/pull/751 | x_refsource_MISC |
| https://github.com/openslide/openslide/commit/2be… | x_refsource_MISC |
| https://github.com/openslide/openslide/releases/t… | x_refsource_MISC |
{
"containers": {
"cna": {
"affected": [
{
"product": "openslide",
"vendor": "openslide",
"versions": [
{
"status": "affected",
"version": "\u003e= 3.4.1, \u003c 4.0.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "OpenSlide is a C library for reading whole slide image files. From 3.4.1 until 4.0.1, OpenSlide\u0027s 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."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "HIGH",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"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",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-123",
"description": "CWE-123: Write-what-where Condition",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-823",
"description": "CWE-823: Use of Out-of-range Pointer Offset",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-1284",
"description": "CWE-1284: Improper Validation of Specified Quantity in Input",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-17T20:26:21.921Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"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"
}
],
"source": {
"advisory": "GHSA-mxg2-48g7-fmwc",
"discovery": "UNKNOWN"
},
"title": "OpenSlide: Arbitrary memory write with crafted Ventana BIF file"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-48977",
"datePublished": "2026-09-17T20:26:21.921Z",
"dateReserved": "2026-05-26T23:26:07.974Z",
"dateUpdated": "2026-09-17T20:26:21.921Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}