CVE-2026-46352 json
Suricata defrag: fragmented encapsulated traffic with fragments can lead to deadlock
published 2026-09-16 53 d ago modified 2026-09-28 41 d ago also EUVD-2026-80940
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- oisf suricata 8.0.5
- suricata Debian 14 1:8.0.5-1
debian advisories DEBIAN-CVE-2026-46352
- suricata openSUSE Tumbleweed 8.0.5-1.1
opensuse advisories openSUSE-SU-2026:10885-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-46352 updated cvss 7.5
Suricata: Suricata: Denial of Service via fragmented encapsulated traffic
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 52 d ago
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- OISF suricata
Classification
- Weakness
-
- CWE-833 Deadlock
References
-
github.com
/OISF/suricata/security/advisories/GHSA-rc34-46x6-mxxm
vendor-advisory
-
forum.suricata.io
/t/suricata-8-0-5-and-7-0-16-released/6315
release-notes, vendor-advisory
-
redmine.openinfosecfoundation.org
/issues/8550
permissions-required
Sources
- CVE List CVE-2026-46352
- NVD CVE-2026-46352
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.