{"id":"CVE-2021-35517","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-35517","generatedAt":"2026-10-27T21:09:22.651Z","title":"This could be used to mount a denial of service attack against services that use Compress' tar package.","description":"When reading a specially crafted TAR archive, Compress can be made to allocate large amounts of memory that finally leads to an out of memory error even for very small inputs. This could be used to mount a denial of service attack against services that use Compress' tar package.","published":"2021-07-13T08:15:07.000Z","lastModified":"2026-10-08T22:17:10.000Z","status":"Modified","sourceIdentifier":"security@apache.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-130","CWE-770"],"affected":["apache/commons compress","netapp/active iq unified manager","netapp/oncommand insight","oracle/banking apis","oracle/banking digital experience","oracle/banking enterprise default management","oracle/banking party management","oracle/banking payments","oracle/banking trade finance","oracle/banking treasury management","oracle/business process management suite","oracle/commerce guided search","oracle/communications billing and revenue management","oracle/communications cloud native core service communication proxy","oracle/communications cloud native core unified data repository","oracle/communications diameter intelligence hub","oracle/communications session route manager","oracle/financial services crime and compliance management studio","oracle/financial services enterprise case management","oracle/flexcube universal banking","oracle/healthcare data repository","oracle/insurance policy administration","oracle/peoplesoft enterprise peopletools","oracle/primavera unifier","oracle/utilities testing accelerator","oracle/webcenter portal","oracle/communications messaging server"],"epss":{"score":0.10614,"percentile":0.95758,"date":"2026-10-26","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 10.6%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2021/07/13/3","tags":["Mailing List","Third Party Advisory"],"source":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2021/07/13/5","tags":["Mailing List","Third Party Advisory"],"source":"security@apache.org"},{"url":"https://commons.apache.org/proper/commons-compress/security-reports.html","tags":["Vendor 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Party Advisory"],"source":"security@apache.org"},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","tags":["Patch","Third Party Advisory"],"source":"security@apache.org"},{"url":"https://www.oracle.com/security-alerts/cpujan2022.html","tags":["Patch","Third Party Advisory"],"source":"security@apache.org"},{"url":"https://www.oracle.com/security-alerts/cpujul2022.html","tags":["Patch","Third Party Advisory"],"source":"security@apache.org"},{"url":"https://www.oracle.com/security-alerts/cpuoct2021.html","tags":["Patch","Third Party Advisory"],"source":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2021/07/13/3","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2021/07/13/5","tags":["Mailing List","Third Party 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Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujan2022.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujul2022.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuoct2021.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-35517","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."}