CVE-2026-54904

Technical details for CVE-2026-54904 are not publicly available in the provided documents. No affected versions, root cause, or fixes are described beyond the initial entry. Monitor for updates.

GHSA-H8W8-99G7-QMVJ Concurrent Ruby : `AtomicReference#update` livelocks when the stored value is `Float::NAN`

Summary Concurrent::AtomicReferenceupdate can enter a permanent busy retry loop when the current value is Float::NAN. The issue is caused by the interaction between: - AtomicReferenceupdate, which retries until compareandsetoldvalue, newvalue succeeds. - Numeric compareandset, which checks old ==...

PT-2026-51090

Name of the Vulnerable Software and Affected Versions concurrent-ruby versions prior to 1.3.7 Description The Concurrent::AtomicReferenceupdate function can enter a permanent busy retry loop when the current value is Float::NAN. This occurs due to the interaction between AtomicReferenceupdate,...

Allen Bradley Micrologix 1400 Series B FRN Access Control Vulnerability (CNVD-2018-08282)

Allen Bradley Micrologix 1400 Series B FRN is a programmable logic controller from Rockwell Automation. An access control vulnerability exists in the data, program, and function file permissions functions in Allen Bradley Micrologix 1400 Series B FRN 21.2 and earlier. For the Float data type, the...