{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-106116", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-06T15:33:55.333Z", "datePublished": "2026-10-06T17:51:36.366Z", "dateUpdated": "2026-10-06T18:21:55.088Z"}, "containers": {"cna": {"title": "ImageSharp: BigTIFF IFD count can keep a decoder thread in a non-progressing loop", "problemTypes": [{"descriptions": [{"cweId": "CWE-835", "lang": "en", "description": "CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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:L", "version": "3.1"}}], "references": [{"name": "https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-wmxv-xphr-5c9g", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-wmxv-xphr-5c9g"}, {"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/92b12d72550ebb6be5b1e22e559c361fd863a6ec", "tags": ["x_refsource_MISC"], "url": "https://github.com/SixLabors/ImageSharp/commit/92b12d72550ebb6be5b1e22e559c361fd863a6ec"}, {"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"}], "affected": [{"vendor": "SixLabors", "product": "ImageSharp", "versions": [{"version": ">= 2.0.0, < 4.1.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-06T17:51:36.366Z"}, "descriptions": [{"lang": "en", "value": "ImageSharp is a 2D graphics library. From 2.0.0 until 4.1.2, ExifReader.ReadValues64 trusts the 64-bit BigTIFF IFD entry count and iterates once per declared entry. When fewer than 20 bytes remain, ExifReader.ReadValue64 returns without advancing the stream or terminating the outer loop, so a small malformed BigTIFF can keep one decoder thread executing for an attacker-controlled duration. This report does not claim worker-pool exhaustion. This issue is fixed in version 4.1.2."}], "source": {"advisory": "GHSA-wmxv-xphr-5c9g", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/SixLabors/ImageSharp/security/advisories/GHSA-wmxv-xphr-5c9g", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-06T18:21:43.778832Z", "id": "CVE-2026-106116", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-06T18:21:55.088Z"}}]}}

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