{"api_version":"1","generated_at":"2026-10-07T01:19:30+00:00","cve":"CVE-2026-106113","urls":{"html":"https://cve.report/CVE-2026-106113","api":"https://cve.report/api/cve/CVE-2026-106113.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-106113","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-106113"},"summary":{"title":"ImageSharp: HistogramEqualization uses an unvalidated luminance as an unchecked histogram index","description":"ImageSharp is a 2D graphics library. From 2.0.0 until 4.1.2, decoding an attacker-supplied 32-bit floating-point TIFF as Image<HalfVector4> and applying HistogramEqualization can produce a non-finite or out-of-range luminance in ColorNumerics.GetBT709Luminance. GrayscaleLevelsRowOperation.Invoke uses the resulting value as an unchecked histogram offset, causing an unsafe out-of-range access and process termination. Adaptive Histogram Equalization and AutoLevel are not affected by this report. 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From 2.0.0 until 4.1.2, decoding an attacker-supplied 32-bit floating-point TIFF as Image<HalfVector4> and applying HistogramEqualization can produce a non-finite or out-of-range luminance in ColorNumerics.GetBT709Luminance. GrayscaleLevelsRowOperation.Invoke uses the resulting value as an unchecked histogram offset, causing an unsafe out-of-range access and process termination. Adaptive Histogram Equalization and AutoLevel are not affected by this report. This issue is fixed in version 4.1.2."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"CWE-787: Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-06T17:47:17.503Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-j3p4-wp97-rph4","tags":["x_refsource_CONFIRM"],"url":"https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-j3p4-wp97-rph4"},{"name":"https://github.com/SixLabors/ImageSharp/pull/3187","tags":["x_refsource_MISC"],"url":"https://github.com/SixLabors/ImageSharp/pull/3187"},{"name":"https://github.com/SixLabors/ImageSharp/commit/c4c4bf292298c026df470db1a17ff826515fd95d","tags":["x_refsource_MISC"],"url":"https://github.com/SixLabors/ImageSharp/commit/c4c4bf292298c026df470db1a17ff826515fd95d"},{"name":"https://github.com/SixLabors/ImageSharp/releases/tag/v4.1.2","tags":["x_refsource_MISC"],"url":"https://github.com/SixLabors/ImageSharp/releases/tag/v4.1.2"}],"source":{"advisory":"GHSA-j3p4-wp97-rph4","discovery":"UNKNOWN"},"title":"ImageSharp: HistogramEqualization uses an unvalidated luminance as an unchecked histogram index"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-106113","datePublished":"2026-10-06T17:47:17.503Z","dateReserved":"2026-10-06T15:33:55.333Z","dateUpdated":"2026-10-06T17:47:17.503Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-06 18:16:52","lastModifiedDate":"2026-10-06 20:03:40","problem_types":["CWE-787","CWE-787 CWE-787: Out-of-bounds Write"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"106113","Ordinal":"1","Title":"ImageSharp: HistogramEqualization uses an unvalidated luminance ","CVE":"CVE-2026-106113","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"106113","Ordinal":"1","NoteData":"ImageSharp is a 2D graphics library. From 2.0.0 until 4.1.2, decoding an attacker-supplied 32-bit floating-point TIFF as Image<HalfVector4> and applying HistogramEqualization can produce a non-finite or out-of-range luminance in ColorNumerics.GetBT709Luminance. GrayscaleLevelsRowOperation.Invoke uses the resulting value as an unchecked histogram offset, causing an unsafe out-of-range access and process termination. Adaptive Histogram Equalization and AutoLevel are not affected by this report. This issue is fixed in version 4.1.2.","Type":"Description","Title":"ImageSharp: HistogramEqualization uses an unvalidated luminance "}]}}}