CVE-2025-64334 - CVE House
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Status published High CVE-2025-64334

Suricata is vulnerable to unbounded memory growth for decompression

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from OISF

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CVE-2025-64344
Suricata is vulnerable to a stack overflow from unbounded stack allocation in LuaPushStringBuffer
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CVE-2025-64335
Suricata is vulnerable to a null deref when used with base64_data
High 7.5
CVE-2025-64333
Suricata is vulnerable to a stack overflow from big content-type
High 7.5
CVE-2025-64332
Suricata is vulnerable to a stack overflow on larger compressed data
High 7.5
CVE-2025-64331
Suricata is vulnerable to a stack overflow on large file transfers with http-body-printable
High 7.5

Affected Vendor

Affected Software

suricata
Vulnerable Versions:
>= 8.0.0, < 8.0.2

Timeline

Official Publish: November 26th, 2025
Last Modified: November 28th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-770

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact
T1190 Exploit Public-Facing Application
Initial Access
T1562 Impair Defenses
Defense Evasion
T1046 Network Service Discovery
Discovery