{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-81884", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-27T17:48:42.122Z", "datePublished": "2026-09-22T15:10:43.501Z", "dateUpdated": "2026-09-22T15:40:10.955Z"}, "containers": {"cna": {"title": "radare2: Heap out-of-bounds read in radare2 Mach-O LC_DATA_IN_CODE parser", "problemTypes": [{"descriptions": [{"cweId": "CWE-125", "lang": "en", "description": "CWE-125: Out-of-bounds Read", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 2.5, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/radareorg/radare2/security/advisories/GHSA-c2g2-2mc7-3x5w", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/radareorg/radare2/security/advisories/GHSA-c2g2-2mc7-3x5w"}, {"name": "https://github.com/radareorg/radare2/issues/26226", "tags": ["x_refsource_MISC"], "url": "https://github.com/radareorg/radare2/issues/26226"}, {"name": "https://github.com/radareorg/radare2/pull/26193", "tags": ["x_refsource_MISC"], "url": "https://github.com/radareorg/radare2/pull/26193"}, {"name": "https://github.com/radareorg/radare2/commit/a73de09fea7516f65c14917d66113316ec7e7d6e", "tags": ["x_refsource_MISC"], "url": "https://github.com/radareorg/radare2/commit/a73de09fea7516f65c14917d66113316ec7e7d6e"}, {"name": "https://github.com/radareorg/radare2/releases/tag/6.2.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/radareorg/radare2/releases/tag/6.2.0"}], "affected": [{"vendor": "radareorg", "product": "radare2", "versions": [{"version": "< 6.2.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-22T15:10:43.501Z"}, "descriptions": [{"lang": "en", "value": "radare2 is a UNIX-like reverse engineering framework and command-line toolset. Prior to 6.2.0, radare2's Mach-O LC_DATA_IN_CODE parser was vulnerable because the Mach-O LC_DATA_IN_CODE parser trusted dataoff and datasize and allowed a final partial record to be processed. The vulnerability is triggered by opening a crafted Mach-O file while the non-default bin.verbose option is enabled. When datasize was not a multiple of data_in_code_entry, the last iteration read beyond the allocated buffer. This can cause a heap out-of-bounds read and possible process termination; no attacker-observable memory disclosure has been demonstrated. This issue is fixed in version 6.2.0."}], "source": {"advisory": "GHSA-c2g2-2mc7-3x5w", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/radareorg/radare2/issues/26226", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-22T15:39:49.530685Z", "id": "CVE-2026-81884", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"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": "2026-09-22T15:40:10.955Z"}}]}}

{}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.2.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "radare2", "source": "cna", "vendor": "radareorg"}, "product": "radare2", "vendor": "radareorg"}], "created": "2026-09-22T16:30:12.273402+00:00", "updated": "2026-09-22T17:00:11.663363+00:00", "vendors": ["radareorg", "radareorg$PRODUCT$radare2"]}