{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59200", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-02T19:53:48.831Z", "datePublished": "2026-07-14T16:09:05.091Z", "dateUpdated": "2026-07-14T16:09:05.091Z"}, "containers": {"cna": {"title": "Pillow: Decompression Bomb DoS via PdfParser.PdfStream.decode()", "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "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:H", "version": "3.1"}}], "references": [{"name": "https://github.com/python-pillow/Pillow/security/advisories/GHSA-jjj6-mw9f-p565", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/python-pillow/Pillow/security/advisories/GHSA-jjj6-mw9f-p565"}, {"name": "https://github.com/python-pillow/Pillow/pull/9718", "tags": ["x_refsource_MISC"], "url": "https://github.com/python-pillow/Pillow/pull/9718"}, {"name": "https://github.com/python-pillow/Pillow/commit/f7a31ea75e460e108c37126da1f47812f21f6b09", "tags": ["x_refsource_MISC"], "url": "https://github.com/python-pillow/Pillow/commit/f7a31ea75e460e108c37126da1f47812f21f6b09"}, {"name": "https://github.com/python-pillow/Pillow/releases/tag/12.3.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/python-pillow/Pillow/releases/tag/12.3.0"}], "affected": [{"vendor": "python-pillow", "product": "Pillow", "versions": [{"version": ">= 5.1.0, < 12.3.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-14T16:09:05.091Z"}, "descriptions": [{"lang": "en", "value": "Pillow is a Python imaging library. From 5.1.0 until 12.3.0, PdfParser.PdfStream.decode() in PIL/PdfParser.py calls zlib.decompress() with bufsize set to the PDF stream Length field without bounding the decompressed output size, allowing a crafted FlateDecode PDF stream to exhaust memory from a small file. This issue is fixed in version 12.3.0."}], "source": {"advisory": "GHSA-jjj6-mw9f-p565", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.1.0,12.3.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Pillow", "source": "cna", "vendor": "python-pillow"}, "product": "pillow", "vendor": "python-pillow"}], "created": "2026-07-14T17:30:04.762254+00:00", "updated": "2026-07-14T17:30:04.762273+00:00", "vendors": ["python-pillow", "python-pillow$PRODUCT$pillow"]}