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{"bugzilla": {"description": "libpng: Crash in png_default_error due to use of NULL Pointer", "id": "720608", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=720608"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["The png_err function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 makes a function call using a NULL pointer argument instead of an empty-string argument, which allows remote attackers to cause a denial of service (application crash) via a crafted PNG image."], "name": "CVE-2011-2691", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "libpng", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "libpng", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libpng", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2011-07-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-2691\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2691"], "statement": "Not vulnerable. This issue did not affect the versions of libpng as\nshipped with Red Hat Enterprise Linux 4, 5, or 6.", "threat_severity": "Low"}