{"id":"CVE-2015-2331","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-2331","generatedAt":"2026-11-05T06:22:47.167Z","title":"Integer overflow in the _zip_cdir_new function in zip_dirent.c in libzip 0.11.2 and earlier, as used in the ZIP extension in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 and other products, allows remote attackers to cause a denial of…","description":"Integer overflow in the _zip_cdir_new function in zip_dirent.c in libzip 0.11.2 and earlier, as used in the ZIP extension in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 and other products, allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a ZIP archive that contains many entries, leading to a heap-based buffer overflow.","published":"2015-03-30T10:59:13.000Z","lastModified":"2026-06-17T00:23:56.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":["CWE-189"],"affected":["nih/libzip","php/php","debian/debian linux","fedoraproject/fedora","opensuse/opensuse"],"epss":{"score":0.27393,"percentile":0.98072,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 27.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=ef8fc4b53d92fbfcd8ef1abbd6f2f5fe2c4a11e5","source":"cve@mitre.org"},{"url":"http://hg.nih.at/libzip/rev/9f11d54f692e","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154266.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154276.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154666.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155299.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155622.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153983.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-03/msg00083.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-04/msg00002.html","source":"cve@mitre.org"},{"url":"http://marc.info/?l=bugtraq&m=143403519711434&w=2","source":"cve@mitre.org"},{"url":"http://marc.info/?l=bugtraq&m=143748090628601&w=2","source":"cve@mitre.org"},{"url":"http://marc.info/?l=bugtraq&m=144050155601375&w=2","source":"cve@mitre.org"},{"url":"http://php.net/ChangeLog-5.php","source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2015/dsa-3198","source":"cve@mitre.org"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:079","source":"cve@mitre.org"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html","source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1031985","source":"cve@mitre.org"},{"url":"https://bugs.php.net/bug.php?id=69253","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"https://support.apple.com/HT205267","source":"cve@mitre.org"},{"url":"http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=ef8fc4b53d92fbfcd8ef1abbd6f2f5fe2c4a11e5","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://hg.nih.at/libzip/rev/9f11d54f692e","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154266.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154276.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154666.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155299.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155622.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153983.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-03/msg00083.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-04/msg00002.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=bugtraq&m=143403519711434&w=2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=bugtraq&m=143748090628601&w=2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=bugtraq&m=144050155601375&w=2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://php.net/ChangeLog-5.php","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2015/dsa-3198","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:079","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1031985","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.php.net/bug.php?id=69253","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT205267","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-2331","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}