Vulnerability · Published Jan 27, 2026 · Assigned by GitHub_M

CVE-2026-22260Suricata http1: infinite recursion in decompression

High 7.5

In plain English

A high-severity security flaw in suricata from OISF. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 53.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Suricata is a network IDS, IPS and NSM engine. Starting in version 8.0.0 and prior to version 8.0.3, Suricata can crash with a stack overflow. Version 8.0.3 patches the issue. As a workaround, use default values for `request-body-limit` and `response-body-limit`.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:14suricata1:8.0.3-1DEBIAN-CVE-2026-22260
Ubuntu:22.04:LTSsuricatano fix listedUBUNTU-CVE-2026-22260
Ubuntu:24.04:LTSsuricatano fix listedUBUNTU-CVE-2026-22260
Ubuntu:25.10suricatano fix listedUBUNTU-CVE-2026-22260

Affected products (as reported)

VendorProductVersions
OISF suricata >= 8.0.0, < 8.0.3

Weakness: CWE-674 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References