CVE-2026-92925 Red Hat CVE debrief

Who should care

Defenders responsible for Redis deployments, especially those using affected versions, should assess exposure and potential impact. This includes verifying affected scope, severity, and vendor guidance, and planning vendor-supported updates or mitigations through normal change control where exposure is confirmed. Additionally, defenders should review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

Defenders should prioritize verifying exposure and assessing potential impact on Redis deployments due to a flaw in the cluster bus packet parser, which could lead to sensitive information disclosure or remote DoS.

• Sensitive information disclosure
• Remote denial of service (DoS)
• Verification of affected versions required
• Patching or updating Redis deployments prioritized

Technical summary

The cluster bus packet parser in Redis community fails to properly validate string-carrying extensions for null-termination, allowing remote attackers to craft malicious packets leading to out-of-bounds read and potentially sensitive information disclosure or remote denial of service (DoS). This vulnerability affects Redis deployments, particularly those using affected versions, and has a CVSS score of 7.1, considered HIGH severity. Defenders should prioritize verifying exposure and assessing potential impact on Redis deployments.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact on Redis deployments, especially those using affected versions.

Recommended defensive actions

• Verify Redis deployment exposure to affected cluster bus packet parser
• Assess potential impact on sensitive information disclosure or remote DoS
• Review and apply vendor-provided patches or updates
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review compensating controls for exposed systems while remediation is scheduled and verified

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but specific affected versions and exploitation details are not provided. Defenders should verify exposure and assess potential impact on Redis deployments, especially those using affected versions. The cluster bus packet parser's failure to validate string-carrying extensions for null-termination allows remote attackers to craft malicious packets, leading to out-of-bounds read and potentially sensitive information disclosure or remote denial of service (DoS).

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.