CVE-2026-59645

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.85 Bouncy Castle for Java LTS versions prior to 2.73.12 Bouncy Castle for Java FIPS (BC-FJA) bcutil-fips versions prior to 2.0.7 Bouncy Castle for Java FIPS (BC-FJA) bcutil-fips versions prior to 2.1.7

Description The OER parser recurses without a depth limit when processing a self-referential IEEE 1609.2 schema. OER (Object Encoding Rules) is a set of rules used for encoding and decoding data structures.

Recommendations Update Bouncy Castle for Java to version 1.85 or later. Update Bouncy Castle for Java LTS to version 2.73.12 or later. Update Bouncy Castle for Java FIPS (BC-FJA) bcutil-fips to version 2.0.7 or later for the 2.0.X series. Update Bouncy Castle for Java FIPS (BC-FJA) bcutil-fips to version 2.1.7 or later for the 2.1.X series.