{"id":"CVE-2025-61728","state":"PUBLISHED","title":"Excessive CPU consumption when building archive index in archive/zip","description":"archive/zip uses a super-linear file name indexing algorithm that is invoked the first time a file in an archive is opened. This can lead to a denial of service when consuming a maliciously constructed ZIP archive.","publishedAt":"2026-01-28T19:30:31.354Z","updatedAt":"2026-01-29T18:30:24.487Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Go","products":["Go standard library archive/zip"],"affected":[{"vendor":"Go standard library","product":"archive/zip","packageName":"archive/zip","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.24.12","versionType":"semver"},{"version":"1.25.0","status":"affected","lessThan":"1.25.6","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","programRoutines":[{"name":"Reader.initFileList"},{"name":"Reader.Open"}]}],"references":["https://go.dev/cl/736713","https://go.dev/issue/77102","https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc","https://pkg.go.dev/vuln/GO-2026-4342","http://www.openwall.com/lists/oss-security/2026/01/15/4"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:48.677Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/61xxx/CVE-2025-61728.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-61728","state":"PUBLISHED","datePublished":"2026-01-28T19:30:31.354Z","dateUpdated":"2026-01-29T18:30:24.487Z","assignerShortName":"Go","assignerOrgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateReserved":"2025-09-30T15:05:03.605Z"},"containers":{"cna":{"title":"Excessive CPU consumption when building archive index in archive/zip","descriptions":[{"lang":"en","value":"archive/zip uses a super-linear file name indexing algorithm that is invoked the first time a file in an archive is opened. This can lead to a denial of service when consuming a maliciously constructed ZIP archive."}],"affected":[{"vendor":"Go standard library","product":"archive/zip","packageName":"archive/zip","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.24.12","versionType":"semver"},{"version":"1.25.0","status":"affected","lessThan":"1.25.6","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","programRoutines":[{"name":"Reader.initFileList"},{"name":"Reader.Open"}]}],"references":[{"url":"https://go.dev/cl/736713"},{"url":"https://go.dev/issue/77102"},{"url":"https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc"},{"url":"https://pkg.go.dev/vuln/GO-2026-4342"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-407: Inefficient Algorithmic Complexity"}]}],"providerMetadata":{"shortName":"Go","orgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateUpdated":"2026-01-28T19:30:31.354Z"},"credits":[{"lang":"en","value":"Jakub Ciolek"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/01/15/4"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-01-28T20:08:22.055Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-01-29T18:29:58.068724Z","id":"CVE-2025-61728","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-29T18:30:24.487Z"}}]}}}