Rapid7 Vulnerability & Exploit Database

Alma Linux: CVE-2021-3520: Moderate: lz4 security update (ALSA-2021-2575)

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Alma Linux: CVE-2021-3520: Moderate: lz4 security update (ALSA-2021-2575)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
06/02/2021
Created
05/05/2022
Added
05/04/2022
Modified
05/20/2022

Description

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.

Solution(s)

  • alma-upgrade-lz4
  • alma-upgrade-lz4-devel
  • alma-upgrade-lz4-libs

References

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