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{"affected_release": [{"advisory": "RHSA-2011:1105", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "libpng-2:1.2.46-1.el6_1", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-07-28T00:00:00Z"}], "bugzilla": {"description": "libpng: regression of CVE-2004-0421 in 1.2.23+", "id": "717084", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=717084"}, "csaw": false, "cvss": {"cvss_base_score": "5.0", "cvss_scoring_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "status": "verified"}, "details": ["The png_format_buffer 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 allows remote attackers to cause a denial of service (application crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message data. NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-by-one error by some sources."], "name": "CVE-2011-2501", "public_date": "2011-06-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-2501\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2501"], "threat_severity": "Moderate", "upstream_fix": "libpng 1.4.8beta04"}