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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T17:01:07.870Z

Reserved: 2021-04-28T00:00:00

Link: CVE-2021-3520

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-06-02T13:15:13.170

Modified: 2024-11-21T06:21:44.987

Link: CVE-2021-3520

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-04-28T00:00:00Z

Links: CVE-2021-3520 - Bugzilla

cve-icon OpenCVE Enrichment

No data.