What’s Vulnerable › Vulnerabilities

CVE-2023-41056: Redis vulnerable to integer overflow in certain payloads

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-10 · updated 2026-06-17
• Weakness: CWE-190

Description

Redis is an in-memory database that persists on disk. Redis incorrectly handles resizing of memory buffers which can result in integer overflow that leads to heap overflow and potential remote code execution. This issue has been patched in version 7.0.15 and 7.2.4.

Affected products

• Fedoraproject Fedora: 38, 39
• Redis: from 7.0.9 before 7.0.15; from 7.2.0 before 7.2.4 — fixed in 7.0.15, 7.2.4

How to fix

Upgrade to a fixed version: Redis 7.0.15, 7.2.4. Check the vendor advisory for mitigations.

References

• https://github.com/redis/redis/releases/tag/7.0.15
• https://github.com/redis/redis/releases/tag/7.2.4
• https://github.com/redis/redis/security/advisories/GHSA-xr47-pcmx-fq2m
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3JTGQJ2YLYB24B72I5B5H32YIMPVSWIT/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JTWHPLC3RI67VNRDOIXLDVNC5YMYBMQN/
• https://security.netapp.com/advisory/ntap-20240223-0003/
• https://github.com/redis/redis/releases/tag/7.0.15
• https://github.com/redis/redis/releases/tag/7.2.4
• https://github.com/redis/redis/security/advisories/GHSA-xr47-pcmx-fq2m
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3JTGQJ2YLYB24B72I5B5H32YIMPVSWIT/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JTWHPLC3RI67VNRDOIXLDVNC5YMYBMQN/
• https://security.netapp.com/advisory/ntap-20240223-0003/

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