What’s Vulnerable › Vulnerabilities

CVE-2021-23218: Memory Leak in Mirantis Container Runtime (MCR) running in FIPS mode causes a Denial of Service

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-01-10 · updated 2026-06-17
• Weakness: CWE-401

Description

When running with FIPS mode enabled, Mirantis Container Runtime 20.10.8 leaks memory during TLS Handshakes which could be abused to cause a denial of service.

Affected products

• Mirantis Container Runtime: 20.10.8

References

• https://github.com/Mirantis/security/blob/main/advisories/0002.md
• https://github.com/Mirantis/security/blob/main/advisories/0002.md

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