Integer overflow in Redis

CVE-2023-22458

Redis is an in-memory database that persists on disk. Authenticated users can issue a `HRANDFIELD` or `ZRANDMEMBER` command with specially crafted arguments to trigger a denial-of-service by crashing Redis with an assertion failure. This problem affects Redis versions 6.2 or newer up to but not including 6.2.9 as well as versions 7.0 up to but not including 7.0.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Vulnerability class: Integer Overflow

EPSS: 0.720 (99.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Redis — versions >= 6.2, < 6.2.9, >= 7.0, < 7.0.8

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-22458?
CVE-2023-22458 is a medium-severity vulnerability in Redis, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2023-01-20.
How severe is CVE-2023-22458?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-22458 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.