High severity · published Nov 26, 2025
CVE-2025-64334
Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community
7.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
Suricata · Oisf
8.0.0 before 8.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-64334
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-64334
Patch
https://github.com/OISF/suricata/commit/00f04daa3a44928dfdd0003cb9735469272c94a1
Third Party Advisory
https://github.com/OISF/suricata/security/advisories/GHSA-r5jf-v2gx-gx8w
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