CVE-2026-22258 is a high-severity vulnerability affecting Suricata, a network IDS/IPS/NSM engine, specifically versions prior to 8.0.3 and 7.0.14. It allows an unauthenticated attacker to cause a denial of service (memory exhaustion and process termination) by sending crafted DCERPC traffic, potentially over UDP, TCP, or SMB. The vulnerability has a CVSS score of 7.5 (High) due to its network attack vector, low attack complexity, and high impact on availability. While patches are available, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.0.14CPE matchmatch criteria | cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:* | ||
>= 8.0.0, < 8.0.3CPE 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
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