How severe is CVE-2023-22458?

CVE-2023-22458 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-22458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 69% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22458?

CVE-2023-22458 affects Redis. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22458?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-22458 published?

CVE-2023-22458 was published on 2023-01-20 and last updated on 2026-06-17.

CVE-2023-22458

CVE-2023-22458 is a medium-severity vulnerability in Redis with a CVSS 3.x base score of 5.5. Its EPSS exploit-prediction score of 69% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-190.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 69% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Redis
Published: 2023-01-20
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-22458?: CVE-2023-22458 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-22458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 69% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22458?: CVE-2023-22458 affects Redis. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22458?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-22458 published?: CVE-2023-22458 was published on 2023-01-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:*

More vulnerabilities in Redis

CVE-2022-0543 — Critical (CVSS 10.0): It was discovered, that redis, a persistent key-value database, due to a packaging issue, is prone to a…
CVE-2025-49844 — Critical (CVSS 9.9): Redis is an open source, in-memory database that persists on disk. Versions 8.2.1 and below allow an authenticated user…
CVE-2026-25243 — High (CVSS 8.8): Redis is an in-memory data structure store. In versions of redis-server up to 8.6.3, the RESTORE command does not…
CVE-2026-23479 — High (CVSS 8.8): Redis is an in-memory data structure store. In redis-server from 7.2.0 until 8.6.3, the unblock client flow does not…
CVE-2025-62507 — High (CVSS 8.8): Redis is an open source, in-memory database that persists on disk. In versions 8.2.0 and above, a user can run the…
CVE-2026-23631 — High (CVSS 8.1): Redis is an in-memory data structure store. In all versions of redis-server with Lua scripting, an authenticated…

All CVEs affecting Redis →

Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities

CVE-2026-4689 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was…
CVE-2026-24814 — Critical (CVSS 10.0): Integer Overflow or Wraparound vulnerability in swoole swoole-src (thirdparty/hiredis modules). This vulnerability is…
CVE-2025-64721 — Critical (CVSS 10.0): Sandboxie is a sandbox-based isolation software for 32-bit and 64-bit Windows NT-based operating systems. In versions…
CVE-2015-5108 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2015-5097 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2013-2555 — Critical (CVSS 10.0): Integer overflow in Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before…

Browse all CWE-190 (Integer Overflow or Wraparound) vulnerabilities →