CVE-2025-64334
Suricata is vulnerable to unbounded memory growth for decompression
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Suricata is vulnerable to unbounded memory growth for decompression
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.
- Record
CVE-2025-64334- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
EUVDEUVD-2025-199777
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.
- Record
EUVD-2025-199777- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-64334- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
OSVALPINE-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.
- Record
ALPINE-CVE-2025-64334- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
OSV
Suricata is vulnerable to unbounded memory growth for decompression
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.
- Record
CVE-2025-64334- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-770
- Updated
- 2026-11-02
OSVDEBIAN-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.
- Record
DEBIAN-CVE-2025-64334- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2025-64334- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2026:10082-1 No score
libsuricata8_0_3-8.0.3-1.1 on GA media
These are all security issues fixed in the libsuricata8_0_3-8.0.3-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:10082-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
suricataAlpine:v3.24 |
8.0.0 up to 8.0.2-r0 | 8.0.2-r0 |
suricataDebian:14 |
before 1:8.0.2-1, plus listed versions 1:7.0.10-11:7.0.11-11:7.0.11-1~bpo13+11:8.0.0-1~exp11:8.0.0-1~exp2 Show 7 moreShow less1:8.0.0-1~exp41:8.0.0-1~exp51:8.0.1-11:8.0.1-21:8.0.1-31:8.0.1-3~bpo13+11:8.0.2-1~bpo13+1 |
1:8.0.2-1 |
suricataUbuntu:16.04:LTS |
All versions, plus listed versions 2.0.8-1build12.0.9-12.0.10-12.0.10-22.0.11-13.0-1 |
None known |
suricataUbuntu:18.04:LTS |
All versions, plus listed versions 3.2-2ubuntu3 |
None known |
suricataUbuntu:22.04:LTS |
All versions, plus listed versions 1:6.0.4-21:6.0.4-3 |
None known |
suricataUbuntu:24.04:LTS |
All versions, plus listed versions 1:7.0.0-21:7.0.2-11:7.0.2-1build11:7.0.3-1build11:7.0.3-1build3 |
None known |
suricataUbuntu:25.10 |
All versions, plus listed versions 1:7.0.8-21:7.0.10-1 |
None known |
suricataopenSUSE:Tumbleweed From an advisory covering 14 CVEs |
before 8.0.3-1.1 | 8.0.3-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected, aliases, references | OSV | |
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-64334 is a high vulnerability (CVSS 7.5) in Oisf Suricata, published November 26, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 31st percentile. Fixed in suricata 8.0.2-r0.
References
github.com/OISF/suricata/security/advisories/GHSA-r5jf-v2gx-gx8w
security.alpinelinux.org/vuln/CVE-2025-64334
nvd.nist.gov/vuln/detail/CVE-2025-64334
security-tracker.debian.org/tracker/CVE-2025-64334
Show 17 moreShow less
ubuntu.com/security/CVE-2025-64334
cve.org/CVERecord?id=CVE-2025-64334
redmine.openinfosecfoundation.org/issues/7980
suse.com/security/cve/CVE-2025-64330