Dashboard / CVE-2026-31931

CVE-2026-31931

HIGH
MEDIUM Priority: 0.03 BB Relevance: 75/100
Published: 2026-04-02 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

Description

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
oisf suricata 8.0.0 – 8.0.4

References & Advisories (2)

https://redmine.openinfosecfoundation.org/issues/8294
Issue Tracking Permissions Required

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.35%
Raw Score 0.003510
Percentile 28.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00351
2026-10-28
0.00351

Intelligence Sources

nvd ref →

External Links