Suricata before 5.0.7 and 6.x before 6.0.3 has a "critical evasion."
Priority LOW 37Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Suricata before 5.0.7 and 6.x before 6.0.3 has a "critical evasion."
Why it matters now
EPSS 0.02054 81st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:* | before 5.0.7; 6.0.0 to before 6.0.3 | Vulnerable | OISF |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 34 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 35 | Vulnerable | Fedoraproject |
- cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:* Versions before 5.0.7; 6.0.0 to before 6.0.3 Vulnerable ·OISF
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2021-35063
- 2026-10-03 Alias added: GHSA-h9v2-m5qx-h268
References
Advisory 7
- https://github.com/OISF/suricata/releases
- https://forum.suricata.io/t/suricata-6-0-3-and-5-0-7-released/1489
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990835
- https://security-tracker.debian.org/tracker/CVE-2021-35063
- https://bugzilla.redhat.com/show_bug.cgi?id=1980453
- FEDORA-2021-ad5883c848
- FEDORA-2021-c7fd9e9126
Sources
- CVE-2021-35063 · CVE Program
- CVE-2021-35063 · NVD
- FIRST EPSS
- GHSA-h9v2-m5qx-h268 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-35063 · Red Hat security data · CC BY 4.0
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