{"id":"JLSEC-2026-121","summary":"Beginning in v1.4.1 and prior to v1.4.9, due to an incomplete fix for CVE-2021-24031, the Zstandard...","details":"Beginning in v1.4.1 and prior to v1.4.9, due to an incomplete fix for CVE-2021-24031, the Zstandard command-line utility created output files with default permissions and restricted those permissions immediately afterwards. Output files could therefore momentarily be readable or writable to unintended parties.","modified":"2026-07-25T18:24:20.405831490Z","published":"2026-04-15T20:39:05.266Z","upstream":["CVE-2021-24032","GHSA-ffqj-7pgc-cmj5","EUVD-2021-10952"],"database_specific":{"license":"CC-BY-4.0","sources":[{"url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-24032","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24032","database_specific":{"status":"Modified"},"id":"CVE-2021-24032","imported":"2026-07-17T21:11:38.691Z","modified":"2026-06-17T03:39:11.647Z","published":"2021-03-04T21:15:12.963Z"},{"published":"2022-05-24T17:43:40Z","url":"https://api.github.com/advisories/GHSA-ffqj-7pgc-cmj5","html_url":"https://github.com/advisories/GHSA-ffqj-7pgc-cmj5","id":"GHSA-ffqj-7pgc-cmj5","imported":"2026-07-17T21:11:38.837Z","modified":"2023-01-29T05:05:56Z"},{"imported":"2026-07-17T21:11:39.036Z","modified":"2024-08-03T19:21:17Z","published":"2021-03-04T20:15:21Z","url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2021-10952","html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-10952","id":"EUVD-2021-10952"}]},"references":[{"type":"WEB","url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982519"},{"type":"WEB","url":"https://github.com/advisories/GHSA-ffqj-7pgc-cmj5"},{"type":"WEB","url":"https://github.com/facebook/zstd/issues/2491"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24032"},{"type":"WEB","url":"https://www.facebook.com/security/advisories/cve-2021-24032"}],"affected":[{"package":{"name":"Zstd_jll","ecosystem":"Julia","purl":"pkg:julia/Zstd_jll?uuid=3161d3a3-bdf6-5164-811a-617609db77b4"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.5.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-121.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V2","score":"AV:L/AC:M/Au:N/C:P/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}