{"id":"CVE-2018-25032","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-25032","generatedAt":"2026-10-28T20:26:56.880Z","title":"zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.","description":"zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.","published":"2022-03-25T09:15:08.000Z","lastModified":"2026-10-14T07:16:44.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-787"],"affected":["nokogiri/nokogiri","python/python","zlib/zlib","debian/debian linux","fedoraproject/fedora","apple/mac os x","apple/macos","mariadb/mariadb","netapp/active iq unified manager","netapp/e-series santricity os controller","netapp/management services for element software","netapp/oncommand workflow automation","netapp/ontap select deploy administration utility","netapp/hci compute node","netapp/h300s firmware","netapp/h500s firmware","netapp/h700s firmware","netapp/h410s firmware","netapp/h410c firmware","siemens/scalance sc622-2c firmware","siemens/scalance sc626-2c firmware","siemens/scalance sc632-2c firmware","siemens/scalance sc636-2c firmware","siemens/scalance sc642-2c firmware","siemens/scalance sc646-2c firmware","azul/zulu","goto/gotoassist"],"epss":{"score":0.51733,"percentile":0.98942,"date":"2026-10-27","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 51.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://seclists.org/fulldisclosure/2022/May/33","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2022/May/35","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2022/May/38","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/03/25/2","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/03/26/1","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f8020c531","tags":["Patch","Third Party 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Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-333517.html","source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-25032","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."}