Stack-based buffer overflow in Redis



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-27151
CWE-ID CWE-121
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Redis
Server applications / Database software

Vendor Redis Labs

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Stack-based buffer overflow

EUVDB-ID: #VU109874

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-27151

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when parsing file names. A remote attacker can trick the victim into passing an overly long file path to the redis-check-aof cli, trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Redis: 7.0.0 - 8.0.1

CPE2.3 External links

https://github.com/redis/redis/security/advisories/GHSA-5453-q98w-cmvm
https://github.com/redis/redis/releases/tag/8.0.2
https://github.com/redis/redis/releases/tag/7.4.4
https://github.com/redis/redis/releases/tag/7.2.9


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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