Integer overflow in RedisBloom - CVE-2026-62356
Published: August 19, 2026
Vulnerability identifier: #VU144321
CSH Severity: Low
CVSS v4: 7.7 [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]
CVE-ID: CVE-2026-62356
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service or execute arbitrary code.
The vulnerability exists due to integer overflow in the RedisBloom CMSketch RDB loading logic when loading a specially crafted CMSketch object through RESTORE or a crafted RDB file. A remote user can load specially crafted serialized data to cause a denial of service or execute arbitrary code.
Affected software
RedisBloom
How to mitigate CVE-2026-62356
Install security update from vendor's website.
RedisBloom - addressed in versions 2.4.27, 2.6.32, 2.8.24