CVE-2026-58060

Weakness

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 products

• bouncycastle bc-java
• bouncycastle bouncy_castle_for_java_lts
• bouncycastle fips_java_api

References

• https://github.com/bcgit/bc-java/commit/311cabbb6fcead7647fec16681423a4439118276
• https://github.com/bcgit/bc-java/commit/6c9f30b3fdaa3f2140809278caebbffc55920922
• https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9058060