CVE-2025-64334: suricata DoS — Fix

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.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor	Product	Versions
oisf	suricata	8.0.0 — 8.0.2

References

Advisories & Patches

https://github.com/OISF/suricata/commit/00f04daa3a44928dfdd0003cb9735469272c94a1

Other References

https://github.com/OISF/suricata/security/advisories/GHSA-r5jf-v2gx-gx8w

Frequently Asked Questions

What is CVE-2025-64334? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-64334? +

CVE-2025-64334 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-64334? +

CVE-2025-64334 affects products from oisf, specifically: suricata. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-64334? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-64334