CVE-2026-22263 describes an inefficiency in HTTP/1 header parsing within Suricata, a network IDS, IPS, and NSM engine, affecting versions 8.0.0 through 8.0.2. This vulnerability can lead to a denial-of-service condition through slowdown over multiple packets. Rated Medium severity (CVSS 5.3), it is a network-exploitable vulnerability with low attack complexity, requiring no user interaction, and resulting in low availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 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:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.