Vulnerability · Published Nov 26, 2025 · Assigned by GitHub_M
CVE-2025-64334Suricata is vulnerable to unbounded memory growth for decompression
High 7.5
In plain English
A high-severity resource allocation without limits in suricata from OISF. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, compressed HTTP data can lead to unbounded memory growth during decompression. This issue has been patched in version 8.0.2. A workaround involves disabling LZMA decompression or limiting response-body-limit size.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.24 | suricata | 8.0.2-r0 | ALPINE-CVE-2025-64334 |
| Debian:14 | suricata | 1:8.0.2-1 | DEBIAN-CVE-2025-64334 |
| Ubuntu:22.04:LTS | suricata | no fix listed | UBUNTU-CVE-2025-64334 |
| Ubuntu:24.04:LTS | suricata | no fix listed | UBUNTU-CVE-2025-64334 |
| Ubuntu:25.10 | suricata | no fix listed | UBUNTU-CVE-2025-64334 |
Affected products (as reported)
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H