CVE-2025-59733

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-59733", "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778", "state": "PUBLISHED", "assignerShortName": "Google", "dateReserved": "2025-09-19T08:11:37.550Z", "datePublished": "2025-10-06T08:09:37.290Z", "dateUpdated": "2026-02-26T17:48:17.036Z"}, "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></p><span style=\"background-color: rgb(255, 255, 255);\">When decoding an OpenEXR file that uses DWAA or DWAB compression, there's an implicit assumption that all image channels have the same pixel type (and size), and that if there are four channels, the first four are </span><code>\"B\"</code><span style=\"background-color: rgb(255, 255, 255);\">, </span><code>\"G\"</code><span style=\"background-color: rgb(255, 255, 255);\">, </span><code>\"R\"</code><span style=\"background-color: rgb(255, 255, 255);\">&nbsp;and </span><code>\"A\"</code><span style=\"background-color: rgb(255, 255, 255);\">. The channel parsing code can be found in </span><code>decode_header.&nbsp;<p>The buffer <code>td-&gt;uncompressed_data</code>&nbsp;is allocated in <code>decode_block</code>&nbsp;based on the <code>xsize</code>, <code>ysize</code>&nbsp;and computed <code>current_channel_offset</code>.</p><p>The function <code>dwa_uncompress</code>&nbsp;then assumes at [5] that if there are 4 channels, these are <code>\"B\"</code>, <code>\"G\"</code>, <code>\"R\"</code>&nbsp;and <code>\"A\"</code>, and in the calculations at [6] and [7] that all channels are of the same type, which matches the type of the main color channels.</p><p>If we set the main color channels to a 4-byte type and add duplicate or unknown channels of the 2-byte <code>EXR_HALF</code>&nbsp;type, then the addition at [7] will increment the pointer by <code>4-bytes * xsize * nb_channels</code>, which will exceed the allocated buffer.</p></code><p></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 all image channels have the same pixel type (and size), and that if there are four channels, the first four are \"B\", \"G\", \"R\"\u00a0and \"A\". The channel parsing code can be found in decode_header.\u00a0The buffer td->uncompressed_data\u00a0is allocated in decode_block\u00a0based on the xsize, ysize\u00a0and computed current_channel_offset.\n\nThe function dwa_uncompress\u00a0then assumes at [5] that if there are 4 channels, these are \"B\", \"G\", \"R\"\u00a0and \"A\", and in the calculations at [6] and [7] that all channels are of the same type, which matches the type of the main color channels.\n\nIf we set the main color channels to a 4-byte type and add duplicate or unknown channels of the 2-byte EXR_HALF\u00a0type, then the addition at [7] will increment the pointer by 4-bytes * xsize * nb_channels, which will exceed the allocated buffer.\n\n\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": "2025-10-19T14:52:14.577Z"}, "references": [{"url": "https://issuetracker.google.com/436511754"}], "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": {"id": "CVE-2025-59733", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-10-08T03:55:14.505751Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-26T17:48:17.036Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-59733", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-10-08T03:55:14.505751Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-06T15:59:55.206Z"}}], "cna": {"title": "Heap-buffer-overflow write in FFmpeg EXR dwa_uncompress", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Google Big Sleep"}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.7, "Automatable": "NOT_DEFINED", "attackVector": "ADJACENT", "baseSeverity": "HIGH", "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", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://git.ffmpeg.org/ffmpeg.git", "vendor": "FFmpeg", "product": "FFmpeg", "versions": [{"status": "affected", "version": "9a32b863074ed4140141e0d3613905c6f1fe61c5", "lessThan": "8.0", "versionType": "custom"}, {"status": "affected", "version": "7.1.1", "lessThan": "8.0", "versionType": "semver"}], "packageName": "EXR", "collectionURL": "https://git.ffmpeg.org/ffmpeg.git", "defaultStatus": "unaffected"}], "datePublic": "2025-08-04T22:00:00.000Z", "references": [{"url": "https://issuetracker.google.com/436511754"}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "When decoding an OpenEXR file that uses DWAA or DWAB compression, there's an implicit assumption that all image channels have the same pixel type (and size), and that if there are four channels, the first four are \"B\", \"G\", \"R\"\u00a0and \"A\". The channel parsing code can be found in decode_header.\u00a0The buffer td->uncompressed_data\u00a0is allocated in decode_block\u00a0based on the xsize, ysize\u00a0and computed current_channel_offset.\n\nThe function dwa_uncompress\u00a0then assumes at [5] that if there are 4 channels, these are \"B\", \"G\", \"R\"\u00a0and \"A\", and in the calculations at [6] and [7] that all channels are of the same type, which matches the type of the main color channels.\n\nIf we set the main color channels to a 4-byte type and add duplicate or unknown channels of the 2-byte EXR_HALF\u00a0type, then the addition at [7] will increment the pointer by 4-bytes * xsize * nb_channels, which will exceed the allocated buffer.\n\n\n\n\n\nWe recommend upgrading to version 8.0 or beyond.", "supportingMedia": [{"type": "text/html", "value": "<p></p><p></p><p></p><p></p><p></p><span style=\"background-color: rgb(255, 255, 255);\">When decoding an OpenEXR file that uses DWAA or DWAB compression, there's an implicit assumption that all image channels have the same pixel type (and size), and that if there are four channels, the first four are </span><code>\"B\"</code><span style=\"background-color: rgb(255, 255, 255);\">, </span><code>\"G\"</code><span style=\"background-color: rgb(255, 255, 255);\">, </span><code>\"R\"</code><span style=\"background-color: rgb(255, 255, 255);\">&nbsp;and </span><code>\"A\"</code><span style=\"background-color: rgb(255, 255, 255);\">. The channel parsing code can be found in </span><code>decode_header.&nbsp;<p>The buffer <code>td-&gt;uncompressed_data</code>&nbsp;is allocated in <code>decode_block</code>&nbsp;based on the <code>xsize</code>, <code>ysize</code>&nbsp;and computed <code>current_channel_offset</code>.</p><p>The function <code>dwa_uncompress</code>&nbsp;then assumes at [5] that if there are 4 channels, these are <code>\"B\"</code>, <code>\"G\"</code>, <code>\"R\"</code>&nbsp;and <code>\"A\"</code>, and in the calculations at [6] and [7] that all channels are of the same type, which matches the type of the main color channels.</p><p>If we set the main color channels to a 4-byte type and add duplicate or unknown channels of the 2-byte <code>EXR_HALF</code>&nbsp;type, then the addition at [7] will increment the pointer by <code>4-bytes * xsize * nb_channels</code>, which will exceed the allocated buffer.</p></code><p></p><p></p>We recommend upgrading to version 8.0 or beyond.<p></p><br>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}], "providerMetadata": {"orgId": "14ed7db2-1595-443d-9d34-6215bf890778", "shortName": "Google", "dateUpdated": "2025-10-19T14:52:14.577Z"}}}, "cveMetadata": {"cveId": "CVE-2025-59733", "state": "PUBLISHED", "dateUpdated": "2026-02-26T17:48:17.036Z", "dateReserved": "2025-09-19T08:11:37.550Z", "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778", "datePublished": "2025-10-06T08:09:37.290Z", "assignerShortName": "Google"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"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"}]}], "source": "cve-coordination@google.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "When decoding an OpenEXR file that uses DWAA or DWAB compression, there's an implicit assumption that all image channels have the same pixel type (and size), and that if there are four channels, the first four are \"B\", \"G\", \"R\"\u00a0and \"A\". The channel parsing code can be found in decode_header.\u00a0The buffer td->uncompressed_data\u00a0is allocated in decode_block\u00a0based on the xsize, ysize\u00a0and computed current_channel_offset.\n\nThe function dwa_uncompress\u00a0then assumes at [5] that if there are 4 channels, these are \"B\", \"G\", \"R\"\u00a0and \"A\", and in the calculations at [6] and [7] that all channels are of the same type, which matches the type of the main color channels.\n\nIf we set the main color channels to a 4-byte type and add duplicate or unknown channels of the 2-byte EXR_HALF\u00a0type, then the addition at [7] will increment the pointer by 4-bytes * xsize * nb_channels, which will exceed the allocated buffer.\n\n\n\n\n\nWe recommend upgrading to version 8.0 or beyond."}, {"lang": "es", "value": "Al decodificar un archivo OpenEXR que utiliza compresi\u00f3n DWAA o DWAB, existe una suposici\u00f3n impl\u00edcita de que todos los canales de imagen tienen el mismo tipo de p\u00edxel (y tama\u00f1o), y de que si hay cuatro canales, los primeros cuatro son 'B', 'G', 'R' y 'A'. El c\u00f3digo de an\u00e1lisis de canales se encuentra en decode_header. El b\u00fafer td -> uncompressed_data se asigna en decode_block bas\u00e1ndose en xsize, ysize y el current_channel_offset calculado.\n\nLa funci\u00f3n dwa_uncompress entonces asume en [5] que si hay 4 canales, estos son 'B', 'G', 'R' y 'A', y en los c\u00e1lculos en [6] y [7] que todos los canales son del mismo tipo, lo que coincide con el tipo de los canales de color principales.\n\nSi configuramos los canales de color principales a un tipo de 4 bytes y a\u00f1adimos canales duplicados o desconocidos del tipo EXR_HALF de 2 bytes, entonces la suma en [7] incrementar\u00e1 el puntero en 4 bytes * xsize * nb_channels, lo que exceder\u00e1 el b\u00fafer asignado.\n\nRecomendamos actualizar a la versi\u00f3n 8.0 o posterior."}], "id": "CVE-2025-59733", "lastModified": "2026-10-19T16:10:00.260", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cve-coordination@google.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-59733", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-10-08T03:55:14.505751Z", "version": "2.0.3"}}]}, "published": "2025-10-06T08:15:35.080", "references": [{"source": "cve-coordination@google.com", "url": "https://issuetracker.google.com/436511754"}], "sourceIdentifier": "cve-coordination@google.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "cve-coordination@google.com", "type": "Secondary"}]}

{"bugzilla": {"description": "FFmpeg: FFmpeg: Buffer overflow in OpenEXR DWAA/DWAB decoding", "id": "2401799", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2401799"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["When decoding an OpenEXR file that uses DWAA or DWAB compression, there's an implicit assumption that all image channels have the same pixel type (and size), and that if there are four channels, the first four are \"B\", \"G\", \"R\"\u00a0and \"A\". The channel parsing code can be found in decode_header.\u00a0The buffer td->uncompressed_data\u00a0is allocated in decode_block\u00a0based on the xsize, ysize\u00a0and computed current_channel_offset.\nThe function dwa_uncompress\u00a0then assumes at [5] that if there are 4 channels, these are \"B\", \"G\", \"R\"\u00a0and \"A\", and in the calculations at [6] and [7] that all channels are of the same type, which matches the type of the main color channels.\nIf we set the main color channels to a 4-byte type and add duplicate or unknown channels of the 2-byte EXR_HALF\u00a0type, then the addition at [7] will increment the pointer by 4-bytes * xsize * nb_channels, which will exceed the allocated buffer.\nWe recommend upgrading to version 8.0 or beyond.", "A flaw was found in FFmpeg. This vulnerability allows a buffer overflow via a specially crafted OpenEXR (EXR) file using DWAA (DreamWorks Animation Adaptive) or DWAB (DreamWorks Animation B-wave) compression, due to incorrect handling of image channel pixel types during decoding."], "name": "CVE-2025-59733", "public_date": "2025-10-06T08:09:37Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-59733\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-59733\nhttps://b.corp.google.com/issues/436511754"], "statement": "The highest threat is to system availability, as processing a specially crafted OpenEXR file with DWAA/DWAB compression can lead to a buffer overflow in FFmpeg, resulting in a denial of service. This requires an attacker to be on the same adjacent network.", "threat_severity": "Important"}

{"created": "2025-10-06T14:39:57.432636+00:00", "updated": "2025-10-06T14:39:57.432692+00:00", "vendors": ["ffmpeg", "ffmpeg$PRODUCT$ffmpeg"]}