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{"bugzilla": {"description": "cairo: Stack-based buffer overflow via parsing of crafted WebKitGTK+ document", "id": "1637792", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1637792"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.3", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-121", "details": ["cairo through 1.15.14 has an out-of-bounds stack-memory write during processing of a crafted document by WebKitGTK+ because of the interaction between cairo-rectangular-scan-converter.c (the generate and render_rows functions) and cairo-image-compositor.c (the _cairo_image_spans_and_zero function)."], "mitigation": {"lang": "en:us", "value": "Attackers can use specially-crafted files to trigger this stack-buffer overflow in cairo. Applications compiled with cairo, which do not parse untrusted 2D image files are not vulnerable to this flaw. cairo package in Red Hat Enterprise Linux 7 and 8 is compiled with gcc's Stack Smashing Protection, which may reduce the impact of this flaw to crash only."}, "name": "CVE-2018-18064", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "cairo", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "cairo", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "chromium-browser", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "cairo", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "cairo", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "mingw-cairo", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2018-10-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-18064\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-18064"], "threat_severity": "Moderate"}