CVE-2026-58060

Summary

In Bouncy Castle for Java before 1.85, HSS public-key level count unbounded, enabling huge allocation on verify. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).

Affected Software

VendorProductVersion RangeStatus
Legion of the Bouncy Castle Inc.BC-JAVA1.65 < 1.85affected
Legion of the Bouncy Castle Inc.BC-LTS-JAVA2.73.0 < 2.73.12affected
Legion of the Bouncy Castle Inc.BC-FJA2.0.0 < 2.0.2affected
Legion of the Bouncy Castle Inc.BC-FJA2.1.0 < 2.1.3affected

Weaknesses

  • CWE-789: CWE-789 Memory Allocation with Excessive Size Value

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References