CVE-2026-46352
published 2026-09-16CVE-2026-46352: Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Starting in version 8.0.0 and prior to…
PriorityP344high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.47%
39.7th percentile
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Starting in version 8.0.0 and prior to version 8.0.5, Suricata's IP defragmentation code could deadlock when processing fragmented traffic containing an encapsulated tunnel protocol whose payload is itself fragmented. Version 8.0.5 contains a fix. No known workarounds are available.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| oisf | suricata | — | — |
| oisf | suricata | >= 8.0.0 < 8.0.5 | 8.0.5 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
vendor_redhat7.5HIGH
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No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-46352 suricata: Suricata: Denial of Service via fragmented encapsulated traffic [fedora-all]
bugzilla·2026-09-21·CVSS 7.5
CVE-2026-46352 [HIGH] CVE-2026-46352 suricata: Suricata: Denial of Service via fragmented encapsulated traffic [fedora-all]
CVE-2026-46352 suricata: Suricata: Denial of Service via fragmented encapsulated traffic [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Starting in version 8.0.0 and prior to version 8.0.5, Suricata's IP defragmentation code could deadlock when processing fragmented traffic containing an encapsulated tunnel protocol whose payload is itself fragmented. Version 8.0.5 contains a fix. No known workarounds are available.
Bugzilla
CVE-2026-46352 suricata: Suricata: Denial of Service via fragmented encapsulated traffic [epel-all]
bugzilla·2026-09-21·CVSS 7.5
CVE-2026-46352 [HIGH] CVE-2026-46352 suricata: Suricata: Denial of Service via fragmented encapsulated traffic [epel-all]
CVE-2026-46352 suricata: Suricata: Denial of Service via fragmented encapsulated traffic [epel-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Starting in version 8.0.0 and prior to version 8.0.5, Suricata's IP defragmentation code could deadlock when processing fragmented traffic containing an encapsulated tunnel protocol whose payload is itself fragmented. Version 8.0.5 contains a fix. No known workarounds are available.
Bugzilla
CVE-2026-46352 Suricata: Suricata: Denial of Service via fragmented encapsulated traffic
bugzilla·2026-09-16·CVSS 7.5
CVE-2026-46352 [HIGH] CVE-2026-46352 Suricata: Suricata: Denial of Service via fragmented encapsulated traffic
CVE-2026-46352 Suricata: Suricata: Denial of Service via fragmented encapsulated traffic
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Starting in version 8.0.0 and prior to version 8.0.5, Suricata's IP defragmentation code could deadlock when processing fragmented traffic containing an encapsulated tunnel protocol whose payload is itself fragmented. Version 8.0.5 contains a fix. No known workarounds are available.
2026-09-16
Published