7.5

CVE-2026-46352: oisf suricata Deadlock

CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-46352DEBIAN-CVE-2026-46352
Published 16-09-2026Last modified 17-09-2026
Open JSON

Vulnerability summary

CVE-2026-46352 is a high (CVSS 7.5) Deadlock vulnerability in oisf suricata. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.47%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2026:10885-1

Timeline

  1. 16-09-2026
    PublishedVulnerability first disclosed.
  2. 17-09-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.47%

Chance of exploitation in the next 30 days

Percentile

40%

Versus all other CVEs

30-day change

+0.01 pp

From 0.46% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.47%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • suricataAll versions (No fix recorded) | < 1:8.0.5-1
Oisf1 product
Ubuntu1 product
  • suricataAll versions (No fix recorded)

3 vendors · 3 products

References

8 links