{"id":"CVE-2025-53816","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-53816","generatedAt":"2026-10-28T09:41:41.928Z","title":"Zeroes written outside heap buffer in RAR5 handler may lead to memory corruption and denial of service in versions of 7-Zip prior to 25.0.0.","description":"7-Zip is a file archiver with a high compression ratio. Zeroes written outside heap buffer in RAR5 handler may lead to memory corruption and denial of service in versions of 7-Zip prior to 25.0.0. Version 25.0.0 contains a fix for the issue.","published":"2025-07-17T19:15:25.000Z","lastModified":"2026-06-17T09:38:59.000Z","status":"Modified","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"4.0","score":5.5,"severity":"MEDIUM","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-122"],"affected":["7-zip/7-zip"],"epss":{"score":0.00733,"percentile":0.54168,"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":"low","text":"Lower severity and a low EPSS score (0.73%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://securitylab.github.com/advisories/GHSL-2025-058_7-Zip/","tags":["Exploit","Third Party Advisory"],"source":"security-advisories@github.com"},{"url":"https://www.openwall.com/lists/oss-security/2025/07/18/1","tags":["Exploit","Mailing List"],"source":"security-advisories@github.com"},{"url":"http://www.openwall.com/lists/oss-security/2025/07/18/1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2026/05/msg00021.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-53816","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."}