Vulnerability · CVE-2023-28856
CVE-2023-28856 is listed by Redis is an open source, in-memory database that persists on disk..
Published Apr 18, 2023 · catalog updated Jun 16, 2026 · the affected product
Last checked Oct 31, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2023-28856. EPSS is 1.26%. Act only if a listed version of the affected product is installed.
Gaps on this record
- No plain product name is stored. The page cannot tell you which product to check.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-23631 · Medium
- CVE-2026-25243 · High · known exploited
- CVE-2026-23479 · High
- CVE-2025-46818 · High
- CVE-2025-46817 · High
- Severity
- Medium6.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 1.26%
- Remediation
- Version ranges on file
- Affected products
- cpe debian/debian linux · cpe fedoraproject/fedora · cpe redis/redis
CVE-2023-28856 is listed by Redis is an open source, in-memory database that persists on disk..
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe debian/debian linux10.0
- cpe fedoraproject/fedora36
- cpe fedoraproject/fedora37
- cpe redis/redis< 6.0.19
- cpe redis/redis< 6.2.12
- cpe redis/redis< 7.0.11
How to fix CVE-2023-28856
Upgrade
CVE-2023-28856 lists a fix boundary at 6.0.19. Compare the installed build with that boundary before you change production.
Version check
Affected < 6.0.19
Advisory
Open the inventory_high record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2023-28856. EPSS is 1.26%. Act only if a listed version of the affected product is installed.
Which versions are affected?
Compare what you have installed with debian/debian linux 10.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-20: Improper Input Validation; CWE-617. EPSS 1.26%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Apr 18, 2023 · Monitored products — high
Detected
CVE-2023-28856 is listed by Redis is an open source, in-memory database that persists on disk..
Jun 16, 2026 · Monitored products — high
Updated
CVE-2023-28856 is listed by Redis is an open source, in-memory database that persists on disk..
Sources
- FIRST EPSSExploitation probabilityCVE-2023-28856
30-day exploitation probability 1.26%
first.org - Monitored products — highVendor advisoryCVE-2023-28856
Redis is an open source, in-memory database that persists on disk. Authenticated users can use the 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.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 31, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 31, 2026
- Monitored products — highOct 31, 2026