CVE-2026-52490

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the process_command_opts() function in tools/tiffcrop.c"}, {"lang": "es", "value": "Un problema en libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 permite a un atacante ejecutar c\u00f3digo arbitrario a trav\u00e9s de la funci\u00f3n process_commy_opts() en tools/tiffcrop.c"}], "id": "CVE-2026-52490", "lastModified": "2026-10-12T21:10:00.227", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-52490", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-25T19:41:24.237049Z", "version": "2.0.3"}}]}, "published": "2026-08-24T21:17:19.803", "references": [{"source": "cve@mitre.org", "url": "https://gist.github.com/okyfh/122c2d72e991a78c8af80a3af3be8671"}, {"source": "cve@mitre.org", "url": "https://gitlab.com/libtiff/libtiff/-/work_items/846"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://gitlab.com/libtiff/libtiff/-/work_items/846"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "libtiff: libtiff: Arbitrary code execution via process_command_opts() function", "id": "2523148", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2523148"}, "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-78", "details": ["An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the process_command_opts() function in tools/tiffcrop.c", "A flaw was found in libtiff. An attacker can exploit a vulnerability in the `process_command_opts()` function within `tools/tiffcrop.c` to execute arbitrary code. This could lead to a complete compromise of the affected system."], "mitigation": {"lang": "en:us", "value": "Avoid using the `tiffcrop` utility to process TIFF image files from untrusted sources. If the `libtiff-tools` package, which provides `tiffcrop`, is not required, consider removing it to prevent exploitation."}, "name": "CVE-2026-52490", "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": "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-2026-52490\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-52490\nhttps://gist.github.com/okyfh/122c2d72e991a78c8af80a3af3be8671\nhttps://gitlab.com/libtiff/libtiff/-/work_items/846"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "libtiff", "vendor": "libtiff"}], "created": "2026-08-24T23:00:05.680744+00:00", "updated": "2026-08-26T03:45:03.833596+00:00", "vendors": ["libtiff", "libtiff$PRODUCT$libtiff"]}