CVE-2026-22261
Publication date 27 January 2026
Last updated 28 January 2026
Ubuntu priority
Description
Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, various inefficiencies in xff handling, especially for alerts not triggered in a tx, can lead to severe slowdowns. Versions 8.0.3 and 7.0.14 contain a patch. As a workaround, disable XFF support in the eve configuration. The setting is disabled by default.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| suricata | 25.10 questing |
Needs evaluation
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
3.7 · Low
|
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | Low |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L |
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2026-22261
- https://github.com/OISF/suricata/security/advisories/GHSA-5jvg-5j3p-34cf
- https://github.com/OISF/suricata/commit/3f0725b34c7871c2de4346c8af872f10f4501e44 (suricata-8.0.3)
- https://github.com/OISF/suricata/commit/3f0725b34c7871c2de4346c8af872f10f4501e44
- https://github.com/OISF/suricata/commit/af246ae7ab1b70c09f83c0619b253095ccc18667
- https://redmine.openinfosecfoundation.org/issues/8156