lz4-sys up to v1.9.3 bundles a version of liblz4 that is vulnerable to CVE-2021-3520.
Attackers could craft a payload that triggers an integer overflow upon decompression, causing an out-of-bounds write.
The flaw has been corrected in version v1.9.4 of liblz4, which is included in lz4-sys 1.9.4.
{ "nvd_published_at": null, "cwe_ids": [ "CWE-190", "CWE-787" ], "severity": "CRITICAL", "github_reviewed": true, "github_reviewed_at": "2022-09-01T22:24:55Z" }