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CVE-2025-64334

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Date: November 26, 2025

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.

Severity Score

Related Resources (4)

https://github.com/OISF/suricata/security/advisories/GHSA-r5jf-v2gx-gx8w
https://github.com/OISF/suricata/commit/00f04daa3a44928dfdd0003cb9735469272c94a1
https://nvd.nist.gov/vuln/detail/CVE-2025-64334
https://www.mend.io/vulnerability-database/CVE-2025-64334

Severity Score

Weakness Type (CWE)

Allocation of Resources Without Limits or Throttling

CWE-770

Top Fix

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Upgrade Version

Upgrade to version suricata - 7.0.13;suricata - 8.0.2;https://github.com/OISF/suricata.git - suricata-7.0.13;https://github.com/OISF/suricata.git - suricata-8.0.2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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