{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-59732", "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778", "state": "PUBLISHED", "assignerShortName": "Google", "dateReserved": "2025-09-19T08:11:37.550Z", "datePublished": "2025-10-06T08:09:31.276Z", "dateUpdated": "2025-10-19T14:52:36.920Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://git.ffmpeg.org/ffmpeg.git", "defaultStatus": "unaffected", "packageName": "EXR", "product": "FFmpeg", "repo": "https://git.ffmpeg.org/ffmpeg.git", "vendor": "FFmpeg", "versions": [{"lessThan": "8.0", "status": "affected", "version": "9a32b863074ed4140141e0d3613905c6f1fe61c5", "versionType": "custom"}, {"lessThan": "8.0", "status": "affected", "version": "7.1.1", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Google Big Sleep"}], "datePublic": "2025-08-04T22:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p></p><p></p><p></p><p></p><p>When decoding an OpenEXR file that uses DWAA or DWAB compression, there's an implicit assumption that the height and width are divisible by 8.</p><p>If the height or width of the image is not divisible by 8, the copy loops at [0] and [1] will continue to write until the next multiple of 8.</p><p>The buffer <code>td-&gt;uncompressed_data</code>&nbsp;is allocated in <code>decode_block</code>&nbsp;based on the precise height and width of the image, so the \"rounded-up\" multiple of 8 in the copy loop can exceed the buffer bounds, and the write block starting at [2] can corrupt following heap memory.</p><p></p>We recommend upgrading to version 8.0 or beyond.<p></p><br>"}], "value": "When decoding an OpenEXR file that uses DWAA or DWAB compression, there's an implicit assumption that the height and width are divisible by 8.\n\nIf the height or width of the image is not divisible by 8, the copy loops at [0] and [1] will continue to write until the next multiple of 8.\n\nThe buffer td->uncompressed_data\u00a0is allocated in decode_block\u00a0based on the precise height and width of the image, so the \"rounded-up\" multiple of 8 in the copy loop can exceed the buffer bounds, and the write block starting at [2] can corrupt following heap memory.\n\n\n\nWe recommend upgrading to version 8.0 or beyond."}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "ADJACENT", "baseScore": 8.7, "baseSeverity": "HIGH", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "14ed7db2-1595-443d-9d34-6215bf890778", "shortName": "Google", "dateUpdated": "2025-10-19T14:52:36.920Z"}, "references": [{"url": "https://issuetracker.google.com/436510316"}], "source": {"discovery": "EXTERNAL"}, "title": "Heap-buffer-overflow write in FFmpeg EXR dwa_uncompress", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-10-07T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2025-59732"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-08T03:55:12.275Z"}}]}}

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