CVE-2021-3520
- State
- Published
- Severity
- Not scored
- Published
- Jun 2, 2021
- Updated
- Oct 14, 2026
- Reserved
- Apr 28, 2021
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.
Scores
The record has no CVSS score.
Weaknesses
- CWE-190 >CWE-787
Affected Products
| Product | Versions |
|---|---|
lz4n/a |
|
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1954559
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://security.netapp.com/advisory/ntap-20211104-0005/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
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