CVE-2026-31932 is a high-severity vulnerability (CVSS 7.5) affecting Suricata, a network IDS/IPS/NSM engine, specifically versions prior to 7.0.15 and 8.0.4. This flaw involves an inefficiency in KRB5 buffering, which can be exploited remotely with low complexity to cause significant performance degradation. While no public exploit code or active exploitation has been observed, and community discussion is minimal, affected systems should be updated to patched versions 7.0.15 or 8.0.4 to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.0.15CPE matchmatch criteria | cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:* | ||
>= 8.0.0, < 8.0.4CPE matchmatch criteria | cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.