vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-3520): LZ4 vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | May 14, 2021 | May 27, 2021 | Apr 16, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
May 14, 2021
Added
May 27, 2021
Modified
Apr 16, 2026
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
ubuntu-pro-upgrade-liblz4-1ubuntu-upgrade-liblz4-1
Rapid7 Labs
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