vulnerability
Amazon Linux 2023: CVE-2021-3520: Medium priority package update for lz4
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Apr 28, 2021 | Feb 17, 2025 | Jul 4, 2025 |
Severity
7
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Apr 28, 2021
Added
Feb 17, 2025
Modified
Jul 4, 2025
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.
Solutions
amazon-linux-2023-upgrade-lz4amazon-linux-2023-upgrade-lz4-debuginfoamazon-linux-2023-upgrade-lz4-debugsourceamazon-linux-2023-upgrade-lz4-develamazon-linux-2023-upgrade-lz4-libsamazon-linux-2023-upgrade-lz4-libs-debuginfoamazon-linux-2023-upgrade-lz4-static
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