What’s Vulnerable › Vulnerabilities

CVE-2019-4055

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-19 · updated 2026-06-17

Description

IBM MQ 8.0.0.0 through 8.0.0.10, 9.0.0.0 through 9.0.0.5, and 9.1.0.0 through 9.1.1 is vulnerable to a denial of service attack within the TLS key renegotiation function. IBM X-Force ID: 156564.

Affected products

• IBM MQ: from 8.0.0.0 through 8.0.0.10; from 9.0.0.0 through 9.0.0.5; from 9.1.0 through 9.1.1; from 9.1.0.0 through 9.1.0.1
• IBM MQ Appliance: from 8.0.0.0 through 8.0.0.10; from 9.1.0 through 9.1.1; from 9.1.0.0 through 9.1.0.1

References

• http://www.securityfocus.com/bid/108027
• https://exchange.xforce.ibmcloud.com/vulnerabilities/156564
• https://www.ibm.com/support/docview.wss?uid=ibm10870484
• http://www.securityfocus.com/bid/108027
• https://exchange.xforce.ibmcloud.com/vulnerabilities/156564
• https://www.ibm.com/support/docview.wss?uid=ibm10870484

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