TI-2021-10191 Aliases CVE-2021-29478

Vulnerability in the COPY command for large intsets

MEDIUM 44CWE-190Published 2021-05-04 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Partial Red Hat: 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.

Summary

Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis 6.2 before 6.2.3 could be exploited to corrupt the heap and potentially result with remote code execution. Redis 6.0 and earlier are not directly affected by this issue. The problem is fixed in version 6.2.3. An additional workaround to mitigate the problem without patching the `redis-server` executable is to prevent users from modifying the `set-max-intset-entries` configuration parameter. This can be done using ACL to restrict unprivileged users from using the `CONFIG SET` command.

Why it matters now

EPSS 0.03614 89th percentileScored 2026-11-07

Fix Partial redis (redis): 6.2.3Red Hat: 3 without a fix

SSVC decision points

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Redis	redis	6.2.0 to before 6.2.3	6.2.3	Patch available	CNA

redis VendorRedis Affected 6.2.0 to before 6.2.3 Fixed in 6.2.3 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:redislabs:redis::::::::	6.2.0 to before 6.2.3	Vulnerable	Redis Labs
cpe:2.3:o:fedoraproject:fedora:33:::::::*	33	Vulnerable	Fedoraproject
cpe:2.3:o:fedoraproject:fedora:34:::::::*	34	Vulnerable	Fedoraproject

cpe:2.3:a:redislabs:redis:*:*:*:*:*:*:*:* Versions 6.2.0 to before 6.2.3 Vulnerable ·Redis Labs
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject

Remediation

Fix · CNA redis (redis) Fixed in 6.2.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2021-05-04
redis — FEDORA-2021-8b19c99d6a
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2021-10190 Vulnerability in the STRALGO LCS commandPriority MEDIUM 45
Show all 2 records → Advisory →
Advisory · 2021-05-04
redis — FEDORA-2021-3b267a756c
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2021-10190 Vulnerability in the STRALGO LCS commandPriority MEDIUM 45
Show all 2 records → Advisory →

Show 1 more group

Advisory · 2021-05-04
redis — GLSA-202107-20
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2021-10190 Vulnerability in the STRALGO LCS commandPriority MEDIUM 45
Show all 2 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Advanced Cluster Management for Kubernetes 2	Affected	No fix yet
Red Hat OpenStack Platform 10 (Newton)	Affected	No fix planned: Out of support scope
Red Hat OpenStack Platform 13 (Queens)	Affected	No fix planned: Will not fix

Not affected: 4 products

Red Hat Ansible Automation Platform 1.2
Red Hat Ansible Tower 3
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9

Timeline

2026-10-02 Threatist record created from CVE-2021-29478

References

Advisory 4

Other 1

https://redis.io/

TI-2022-00463 Missing authorization in Debian redis KEVCVSS 3.1CRITICAL 10.0
TI-2025-31759 Redis Lua Use-After-Free may lead to remote code execution CVSS 3.1CRITICAL 10.0
TI-2023-15161 Redis raft master-1b8bd86 to master-7b46079 was discovered to contain an ODR violation… CVSS 3.1CRITICAL 9.8
TI-2023-18618 Heap overflow in COMMAND GETKEYS and ACL evaluation in Redis CVSS 3.1HIGH 8.8
TI-2024-20813 Lua library commands may lead to stack overflow and RCE in Redis CVSS 3.1HIGH 8.8
TI-2022-08647 Heap overflow issue with the Lua cjson library used by Redis CVSS 3.1HIGH 8.8

See all 59 →

Sources

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