CVE-2023-28856

`HINCRBYFLOAT` can be used to crash a redis-server process

Description

Redis is an open source, in-memory database that persists on disk. Authenticated users can use the `HINCRBYFLOAT` command to create an invalid hash field that will crash Redis on access in affected versions. This issue has been addressed in in versions 7.0.11, 6.2.12, and 6.0.19. Users are advised to upgrade. There are no known workarounds for this issue.

Categories

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.13%
Vendor Advisory github.com
Affected: redis redis
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-28856?
CVE-2023-28856 has been scored as a medium severity vulnerability.
How to fix CVE-2023-28856?
To fix CVE-2023-28856, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-28856 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-28856 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-28856?
CVE-2023-28856 affects redis redis.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.