CVE-2009-0749

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:optipng_project:optipng:*:*:*:*:*:*:*:*", "matchCriteriaId": "2D9EBBA0-AD72-4BE3-8C7B-932B5996FB19", "versionEndIncluding": "0.6.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*", "matchCriteriaId": "FF141FBE-4CA5-4695-94A0-8BE1309D28CC", "versionEndIncluding": "11.1", "versionStartIncluding": "10.3", "vulnerable": true}, {"criteria": "cpe:2.3:o:suse:linux_enterprise:9-11:*:*:*:*:*:*:*", "matchCriteriaId": "170FDFDE-DADB-4CBF-9AB8-3A01C7BA94AB", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread.c in OptiPNG 0.6.2 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a crafted GIF image that causes the realloc function to return a new pointer, which triggers memory corruption when the old pointer is accessed."}, {"lang": "es", "value": "Vulnerabilidad del tipo \"use-after-free\" (usar recurso despu\u00e9s de haberlo liberado o destruido) en la funci\u00f3n GIFReadNextExtension en lib/pngxtern/gif/gifread.c en OptiPNG v.0.6.2 y anteriores. Permite a atacantes dependientes del contexto causar una denegaci\u00f3n del servicio (indisponibilidad y ca\u00edda de la aplicaci\u00f3n) a trav\u00e9s de una imagen GIF manipulada que provoca que la llamada a la funci\u00f3n realloc devuelva un nuevo puntero, que causa una corrupci\u00f3n de memoria cuando se accede al viejo puntero."}], "id": "CVE-2009-0749", "lastModified": "2026-06-16T23:05:43.573", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 9.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 10.0, "obtainAllPrivilege": true, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2009-03-02T20:30:00.217", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List"], "url": "http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00001.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List"], "url": "http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "http://optipng.sourceforge.net"}, {"source": "cve@mitre.org", "tags": ["Broken Link", "Vendor Advisory"], "url": 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