{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-104266", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-01T19:04:39.707Z", "datePublished": "2026-10-15T17:13:26.636Z", "dateUpdated": "2026-10-15T17:13:26.636Z"}, "containers": {"cna": {"title": "tinytag: Infinite loop when parsing certain M4A files containing invalid atoms", "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": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/tinytag/tinytag/security/advisories/GHSA-24cc-9352-h2pg", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/tinytag/tinytag/security/advisories/GHSA-24cc-9352-h2pg"}, {"name": "https://github.com/tinytag/tinytag/pull/326", "tags": ["x_refsource_MISC"], "url": "https://github.com/tinytag/tinytag/pull/326"}, {"name": "https://github.com/tinytag/tinytag/commit/9ada221ba44990cb02cd9002d992186e037b515e", "tags": ["x_refsource_MISC"], "url": "https://github.com/tinytag/tinytag/commit/9ada221ba44990cb02cd9002d992186e037b515e"}, {"name": "https://github.com/tinytag/tinytag/releases/tag/2.3.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/tinytag/tinytag/releases/tag/2.3.0"}], "affected": [{"vendor": "tinytag", "product": "tinytag", "versions": [{"version": ">= 2.0.0, < 2.3.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-15T17:13:26.636Z"}, "descriptions": [{"lang": "en", "value": "tinytag is a Python library for reading audio file metadata. From 2.0.0 until 2.3.0, an M4A file containing a sub-atom with a size of zero inside a ---- atom can cause the metadata parser to stop advancing through the input. The custom-field atom traversal repeatedly processes the malformed location, causing an infinite loop and denying service to a program that reads the crafted file. This issue is fixed in version 2.3.0."}], "source": {"advisory": "GHSA-24cc-9352-h2pg", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "tinytag", "vendor": "tinytag", "versions": [{"status": "affected", "version": ">= 2.0.0, < 2.3.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "tinytag is a Python library for reading audio file metadata. From 2.0.0 until 2.3.0, an M4A file containing a sub-atom with a size of zero inside a ---- atom can cause the metadata parser to stop advancing through the input. The custom-field atom traversal repeatedly processes the malformed location, causing an infinite loop and denying service to a program that reads the crafted file. This issue is fixed in version 2.3.0."}], "id": "CVE-2026-104266", "lastModified": "2026-10-15T18:17:22.983", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-15T18:17:22.983", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/tinytag/tinytag/commit/9ada221ba44990cb02cd9002d992186e037b515e"}, {"source": "security-advisories@github.com", "url": "https://github.com/tinytag/tinytag/pull/326"}, {"source": "security-advisories@github.com", "url": "https://github.com/tinytag/tinytag/releases/tag/2.3.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/tinytag/tinytag/security/advisories/GHSA-24cc-9352-h2pg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

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