CVE-2008-5907

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NOTE: some sources incorrectly report this as a double free vulnerability."}, {"lang": "es", "value": "La funcion png_check_keyword en pngwutil.c en libpng anteriores a v1.0.42, v1.2.x anterior a v1.2.34, permitir\u00eda atacantes dependientes de contexto poner a cero el valor de una localizaci\u00f3n de memoria de su elecci\u00f3n a trav\u00e9s de vectores relacionados con la creaci\u00f3n de ficheros PNG con palabras clave, relacionado con la asignaci\u00f3n del valor '\\0' a un puntero NULL. NOTA: Algunas fuentes informan incorrectamente que se trata de una vulnerabilidad de doble liberaci\u00f3n."}], "id": "CVE-2008-5907", "lastModified": "2026-06-16T23:01:12.240", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-01-15T17:30:00.453", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://libpng.sourceforge.net/index.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2009/01/09/1"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://secunia.com/advisories/34320"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://secunia.com/advisories/34388"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://security.gentoo.org/glsa/glsa-200903-28.xml"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://sourceforge.net/mailarchive/forum.php?thread_name=4B6F0239C13D0245820603C036D180BC79FBAA%40CABOTUKEXCH01.cabot.local&forum_name=png-mng-implement"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2009/dsa-1750"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:051"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/48128"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://libpng.sourceforge.net/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00000.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://openwall.com/lists/oss-security/2009/01/09/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://secunia.com/advisories/34320"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://secunia.com/advisories/34388"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://security.gentoo.org/glsa/glsa-200903-28.xml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://sourceforge.net/mailarchive/forum.php?thread_name=4B6F0239C13D0245820603C036D180BC79FBAA%40CABOTUKEXCH01.cabot.local&forum_name=png-mng-implement"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2009/dsa-1750"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:051"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/48128"}], "sourceIdentifier": "cve@mitre.org", "vendorComments": [{"comment": "Red Hat does not consider this bug to be a security issue. For a more detailed explanation, please see the following bug:\nhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2008-5907", "lastModified": "2009-02-11T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "libpng,libpng10: Zeroing value of an arbitrary memory location in utilities for writing PNG files", "id": "480321", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=480321"}, "csaw": false, "details": ["The png_check_keyword function in pngwutil.c in libpng before 1.0.42, and 1.2.x before 1.2.34, might allow context-dependent attackers to set the value of an arbitrary memory location to zero via vectors involving creation of crafted PNG files with keywords, related to an implicit cast of the '\\0' character constant to a NULL pointer. NOTE: some sources incorrectly report this as a double free vulnerability."], "name": "CVE-2008-5907", "public_date": "2008-11-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2008-5907"], "statement": "Red Hat does not consider this bug to be a security issue. For a more detailed explanation, please see the following bug:\nhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2008-5907", "threat_severity": "Low"}

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