CVE-2025-62813
Published: October 24, 2025Last modified: March 4, 2026
Description
LZ4 through 1.10.0 allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact when the application processes untrusted LZ4 frames. For example, LZ4F_createCDict_advanced in lib/lz4frame.c mishandles NULL checks.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.9 |
| Attack Vector | LOCAL |
| Attack complexity | HIGH |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H |
Notes
NB: criu-openjdk compiles lz4 itself from sources. REJECTED: 2025-10-29 This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue.
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | lz4 | Not affected (1.9.4-r1) |
| 25 LTS | criu-openjdk | Not affected (1.4-r5) | |
| lz4 | Not affected (1.10.0-r0) | ||
| Stream | criu-openjdk | Not affected (1.4-r5) | |
| lz4 | Not affected (1.9.3-r1) | ||
| Hardened Containers | 25 LTS | criu-openjdk | Not affected (1.4-r5) |
| Stream | criu-openjdk | Not affected (1.4-r5) |