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CVE-2026-62357

Published Aug 18, 2026 CWE-190 EPSS 0.38% (31th pctl)

Overview

CVE-2026-62357 is a known-severity vulnerability. It was published on August 18, 2026.

Technical Description

Dragonfly is an in-memory data store built for modern application workloads. Prior to 1.40.0, CMS.INITBYDIM and CMS.INITBYPROB accept dimensions whose width times depth times sizeof(int64_t) overflows in src/core/cms.cc, allocating an undersized counter buffer while CMS.INCRBY and CMS.QUERY use the unbounded dimensions, which allows an unauthenticated remote client to corrupt or disclose adjacent heap memory and crash the server. This issue is fixed in version 1.40.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHub github.com/dragonflydb/dragonfly/commit/c004623249fe2151dc5d64e21364fb9fb07c90d3 GitHub github.com/dragonflydb/dragonfly/pull/7647 GitHub github.com/dragonflydb/dragonfly/releases/tag/v1.40.0 GitHub github.com/dragonflydb/dragonfly/security/advisories/GHSA-cmmv-h748-v93x GitHub github.com/dragonflydb/dragonfly/security/advisories/GHSA-cmmv-h748-v93x

Frequently Asked Questions

What is CVE-2026-62357?

CVE-2026-62357 is a known-severity vulnerability. It was published on August 18, 2026.

How severe is CVE-2026-62357?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-62357?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-62357?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-62357 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

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