{"id":"JLSEC-2026-532","details":"There's a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well.","modified":"2026-05-26T19:15:03.567831022Z","published":"2026-05-26T19:04:01.666Z","upstream":["CVE-2021-3520"],"database_specific":{"sources":[{"modified":"2024-11-21T06:21:44.987Z","imported":"2026-05-24T16:38:40.362Z","database_specific":{"status":"Modified"},"url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-3520","id":"CVE-2021-3520","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3520","published":"2021-06-02T13:15:13.170Z"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1954559"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1954559"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20211104-0005/"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20211104-0005/"},{"type":"WEB","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"WEB","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuoct2021.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuoct2021.html"}],"affected":[{"package":{"name":"Lz4_jll","ecosystem":"Julia","purl":"pkg:julia/Lz4_jll?uuid=5ced341a-0733-55b8-9ab6-a4889d929147"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.9.4+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-532.json"}}],"schema_version":"1.7.5"}