{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-52492", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-08-27T19:05:00.091Z", "dateReserved": "2026-06-08T00:00:00.000Z", "datePublished": "2026-08-24T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-08-24T20:29:29.368Z"}, "descriptions": [{"lang": "en", "value": "An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image"}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://gitlab.com/libtiff/libtiff/-/commit/94affc5cf54111312f9891eb77accb93eebc28d7"}, {"url": "https://gist.github.com/okyfh/fbc5a37cade358361d80f6a498560cfa"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-190", "lang": "en", "description": "CWE-190 Integer Overflow or Wraparound"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-08-27T19:04:50.602512Z", "id": "CVE-2026-52492", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-27T19:05:00.091Z"}}]}, "dataVersion": "5.2"}

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{"bugzilla": {"description": "libtiff: libtiff: Arbitrary code execution via crafted TIFF image", "id": "2523134", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2523134"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["An integer overflow in the libtiff rgb2ycbcr utility's cvtRaster() function when computing strip buffer sizes can result in an undersized heap allocation and subsequent heap-based buffer overflow during YCbCr conversion of a crafted TIFF image", "A flaw was found in libtiff. An integer overflow vulnerability exists in the `cvtRaster()` function of the `rgb2ycbcr` utility. When processing a specially crafted TIFF image during YCbCr conversion, an attacker could trigger an undersized heap allocation, leading to a heap-based buffer overflow. This could potentially allow for arbitrary code execution."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, avoid processing untrusted or maliciously crafted TIFF images with the rgb2ycbcr utility. Users should exercise caution when handling TIFF files from unknown or suspicious sources."}, "name": "CVE-2026-52492", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "libtiff", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libtiff", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "compat-libtiff3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "libtiff", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "compat-libtiff3", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "libtiff", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "mingw-libtiff", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "libtiff", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "boost", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "libtiff", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-08-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-52492\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-52492\nhttps://gist.github.com/okyfh/fbc5a37cade358361d80f6a498560cfa\nhttps://gitlab.com/libtiff/libtiff/-/commit/94affc5cf54111312f9891eb77accb93eebc28d7"], "threat_severity": "Important"}