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{"bugzilla": {"description": "libtiff: heap-based buffer overflow in _TIFFmemcpy() in tif_unix.c", "id": "2235458", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2235458"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-122", "details": ["There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an attacker to cause a denial-of-service through a crafted tiff file.", "A heap-based buffer overflow exists in libtiff in TIFFmemcpy. This flaw allows an attacker to craft a specific TIFF file, possibly causing a denial of service that results in a loss of the system\u2019s availability."], "name": "CVE-2020-18768", "package_state": [{"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": "Out of support scope", "package_name": "compat-libtiff3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "libtiff", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "compat-libtiff3", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "libtiff", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "libtiff", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2019-03-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-18768\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-18768"], "statement": "Red Hat has determined that this vulnerability is of low impact as successful exploitation relies on convincing a user to manually open a malicious file with `tiffcp` and bypassing security mechanisms such ASLR.", "threat_severity": "Low"}

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