{"id":"CVE-2021-42374","state":"PUBLISHED","title":"An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by a","description":"An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that","publishedAt":"2021-11-15T00:00:00.000Z","updatedAt":"2025-11-03T20:34:04.163Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H","source":"CISA-ADP"},"assigner":"JFROG","products":["busybox busybox"],"affected":[{"vendor":"busybox","product":"busybox","versions":[{"version":"unspecified","status":"affected","lessThan":"1.34.0","versionType":"custom"}]}],"references":["https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/","https://security.netapp.com/advisory/ntap-20211223-0002/","https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog","https://lists.debian.org/debian-lts-announce/2025/01/msg00012.html"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T19:49:04.473Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/42xxx/CVE-2021-42374.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-42374","state":"PUBLISHED","datePublished":"2021-11-15T00:00:00.000Z","dateUpdated":"2025-11-03T20:34:04.163Z","assignerShortName":"JFROG","assignerOrgId":"48a46f29-ae42-4e1d-90dd-c1676c1e5e6d","dateReserved":"2021-10-14T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. 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