Read the docs
TI-2021-10182 Aliases CVE-2021-29469GHSA-35q2-47q7-3pc3

Potential exponential regex in monitor mode

Priority LOW 36CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400.

Summary

Node-redis is a Node.js Redis client. Before version 3.1.1, when a client is in monitoring mode, the regex begin used to detected monitor messages could cause exponential backtracking on some strings. This issue could lead to a denial of service. The issue is patched in version 3.1.1.

Why it matters now

EPSS 0.01629 76th percentileScored 2026-11-07
Fix Fixed node-redis (NodeRedis): 3.1.1redis (npm): 3.1.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
NodeRedisnode-redisbefore 3.1.13.1.1Patch availableCNA
—redis (npm)2.6.0 to before 3.1.13.1.1Patch availableGHSA-35q2-47q7-3pc3
  • node-redis VendorNodeRedis Affected before 3.1.1 Fixed in 3.1.1 Patch available CNA
  • redis (npm) Vendor— Affected 2.6.0 to before 3.1.1 Fixed in 3.1.1 Patch available GHSA-35q2-47q7-3pc3

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:redis.js:redis:*:*:*:*:*:node.js:*:*before 3.1.1VulnerableRedis.js
  • cpe:2.3:a:redis.js:redis:*:*:*:*:*:node.js:*:* Versions before 3.1.1 Vulnerable ·Redis.js

Remediation

  • Fix · CNA node-redis (NodeRedis) Fixed in 3.1.1
  • Fix · GHSA-35q2-47q7-3pc3 redis (npm) Fixed in 3.1.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-29469
  2. 2026-10-03 Alias added: GHSA-35q2-47q7-3pc3

References

Patch 2

Advisory 3

Other 1

  • TI-2026-62976 redis-parser through 3.0.0 Denial of Service via Unbounded Recursion CVSS 4.0HIGH 8.7
  • TI-2026-63932 redis-parser through 3.0.0 Denial of Service via Invalid Array Length CVSS 4.0HIGH 8.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences