{"id":"AZL-74241","summary":"CVE-2021-3520 affecting package suitesparse 7.11.0-1","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":"2026-04-01T05:22:42.171775Z","published":"2021-06-02T13:15:13Z","upstream":["CVE-2021-3520"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3520"}],"affected":[{"package":{"name":"suitesparse","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/suitesparse"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"7.11.0-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-74241.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}