CVE-2017-16938

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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:0.7.6:*:*:*:*:*:*:*", "matchCriteriaId": "D5B95311-98CB-44DE-91AE-73B33E20D2BC", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A global buffer overflow in OptiPNG 0.7.6 allows remote attackers to cause a denial-of-service attack or other unspecified impact with a maliciously crafted GIF format file, related to an uncontrolled loop in the LZWReadByte function of the gifread.c file."}, {"lang": "es", "value": "Un desbordamiento de b\u00fafer global en OptiPNG 0.7.6 permite que atacantes remotos provoquen un ataque de denegaci\u00f3n de servicio (DoS) u otro impacto sin especificar con un archivo maliciosamente manipulado de formato GIF. Esto se relaciona con un bucle no controlado en la funci\u00f3n LZWReadByte del archivo gifread.c."}], "id": "CVE-2017-16938", "lastModified": "2026-06-17T01:10:10.837", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-11-24T07:29:00.397", "references": [{"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2017/11/msg00042.html"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/201801-02"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://sourceforge.net/p/optipng/bugs/69/"}, {"source": "cve@mitre.org", "url": "https://www.debian.org/security/2017/dsa-4058"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2017/11/msg00042.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201801-02"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://sourceforge.net/p/optipng/bugs/69/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2017/dsa-4058"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "optipng: global buffer overflow in gifread.c:LZWReadByte when parsing malicious GIF", "id": "1520227", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1520227"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-121", "details": ["A global buffer overflow in OptiPNG 0.7.6 allows remote attackers to cause a denial-of-service attack or other unspecified impact with a maliciously crafted GIF format file, related to an uncontrolled loop in the LZWReadByte function of the gifread.c file.", "An invalid memory write flaw was found in the way OptiPNG handles processing of GIF files. This flaw could potentially be used to crash the OptiPNG program by tricking it into processing crafted GIF files."], "name": "CVE-2017-16938", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "optipng", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2017-11-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-16938\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-16938"], "statement": "Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.", "threat_severity": "Low"}

{}