Redis up to 6.2.18/7.2.9/7.4.4/8.0.2 allocation of resources

Summaryinfo

A vulnerability identified as problematic has been detected in Redis up to 6.2.18/7.2.9/7.4.4/8.0.2. This affects an unknown function. The manipulation leads to allocation of resources. This vulnerability is documented as CVE-2025-48367. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Redis up to 6.2.18/7.2.9/7.4.4/8.0.2. This issue affects some unknown functionality. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is availability. The summary by CVE is:

Redis is an open source, in-memory database that persists on disk. An unauthenticated connection can cause repeated IP protocol errors, leading to client starvation and, ultimately, a denial of service. This vulnerability is fixed in 8.0.3, 7.4.5, 7.2.10, and 6.2.19.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-48367 since 05/19/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 241772 (Amazon Linux 2023 : redis6, redis6-devel (ALAS2023-2025-1066)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.2.19, 7.2.10, 7.4.5 or 8.0.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch bde62951accfc4bb0a516276fd0b4b307e140ce2 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (241772) and CERT Bund (WID-SEC-2025-1463). Be aware that VulDB is the high quality source for vulnerability data.

Affected

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• Fedora Linux
• SUSE Linux
• Oracle Linux
• Gentoo Linux
• Open Source Redis
• IBM DataPower Gateway

Productinfo

Name

• Redis

Version

• 6.2.0
• 6.2.1
• 6.2.2
• 6.2.3
• 6.2.4
• 6.2.5
• 6.2.6
• 6.2.7
• 6.2.8
• 6.2.9
• 6.2.10
• 6.2.11
• 6.2.12
• 6.2.13
• 6.2.14
• 6.2.15
• 6.2.16
• 6.2.17
• 6.2.18
• 7.2.0
• 7.2.1
• 7.2.2
• 7.2.3
• 7.2.4
• 7.2.5
• 7.2.6
• 7.2.7
• 7.2.8
• 7.2.9
• 7.4.0
• 7.4.1
• 7.4.2
• 7.4.3
• 7.4.4
• 8.0.0
• 8.0.1
• 8.0.2

License

• open-source

Website

• Product: https://github.com/redis/redis/

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Be aware that VulDB is the high quality source for vulnerability data.

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