SB2026072279 - Heap-based buffer overflow in RedisTimeSeries
Published: July 22, 2026
Security Bulletin ID
SB2026072279
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2026-25588)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to heap-based buffer overflow in the RedisTimeSeries module when processing serialized values via the RESTORE command. A remote user can send a specially crafted serialized payload to execute arbitrary code.
Exploitation requires the RedisTimeSeries module to be loaded and permission to execute the RESTORE command.
Remediation
Install update from vendor's website.