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{"acknowledgement": "This issue was discovered by Huzaifa S. Sidhpurwala (Red Hat Security Response Team).", "affected_release": [{"advisory": "RHSA-2012:1590", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "libtiff-0:3.8.2-18.el5_8", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2012-12-18T00:00:00Z"}, {"advisory": "RHSA-2012:1590", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "libtiff-0:3.9.4-9.el6_3", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-12-18T00:00:00Z"}], "bugzilla": {"description": "libtiff: Missing return value check in ppm2tiff leading to heap-buffer overflow when reading a tiff file", "id": "871700", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=871700"}, "csaw": false, "cvss": {"cvss_base_score": "6.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "status": "verified"}, "cwe": "CWE-122", "details": ["ppm2tiff does not check the return value of the TIFFScanlineSize function, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted PPM image that triggers an integer overflow, a zero-memory allocation, and a heap-based buffer overflow."], "name": "CVE-2012-4564", "public_date": "2012-11-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-4564\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-4564"], "threat_severity": "Moderate"}