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Security Bulletin: WebSphere MQ for HP NonStop Server is affected by OpenSSL vulnerability CVE-2022-0778

Security Bulletin


An issue was identifed in OpenSSL when MQ is using it to parse certificates.

Vulnerability Details

CVEID:   CVE-2022-0778
DESCRIPTION:   OpenSSL is vulnerable to a denial of service, caused by a flaw in the BN_mod_sqrt() function when parsing certificates. By using a specially-crafted certificate with invalid explicit curve parameters, a remote attacker could exploit this vulnerability to cause an infinite loop, and results in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
WebSphere MQ V5.3 for HP NonStop Server (MIPS and Itanium)53.1.x



 WebSphere MQ V5.3.1 for HPE NonStop (Itanium) Fixpack  17 IT40195 Install patch IT40195



Workarounds and Mitigations


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Change History

11 May 2022: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.


Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location


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Document Information

Modified date:
12 May 2022