Advisories » MGASA-2021-0229

Updated lz4 packages fix a security vulnerability

Publication date: 08 Jun 2021
Modification date: 07 Jun 2021
Type: security
Affected Mageia releases : 7 , 8
CVE: CVE-2021-3520

Description

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 (CVE-2021-3520).
                

References

• https://bugs.mageia.org/show_bug.cgi?id=28990
• https://www.debian.org/security/2021/dsa-4919
• https://ubuntu.com/security/notices/USN-4968-1
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3520

SRPMS

8/core

• lz4-1.9.3-1.1.mga8

7/core

• lz4-1.9.2-1.1.mga7