CVE-2026-58063

A flaw was found in Bouncy Castle for Java. A remote attacker can exploit this vulnerability by providing a specially crafted BCFKS keystore file that specifies an unbounded Key Derivation Function KDF cost. This can lead to a Denial of Service DoS as the system attempts to process the file,...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the engineLoad method of BcFKSKeyStoreSpi, which reads HMAC PBKDF2 or scrypt cost parameters from a keystore's integrity structures and runs key derivation before MAC verification,...

CVE-2026-58063

In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bc-fips 1.0.2.7 1.0.X series, 2.0.2 2.0.X series and 2.1.3 2.1.X series...

CVE-2026-58063 BCFKS keystore load honours unbounded KDF cost from untrusted file

In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bc-fips 1.0.2.7 1.0.X series, 2.0.2 2.0.X series and 2.1.3 2.1.X series...

CVE-2026-58063 BCFKS keystore load honours unbounded KDF cost from untrusted file

In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bc-fips 1.0.2.7 1.0.X series, 2.0.2 2.0.X series and 2.1.3 2.1.X series...

EUVD-2026-52088

In Bouncy Castle for Java before 1.85, BCFKS keystore load honours unbounded KDF cost from untrusted file. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bc-fips 1.0.2.7 1.0.X series, 2.0.2 2.0.X series and 2.1.3 2.1.X series...

CVE-2026-58063

The CVE-2026-58063 issue affects Bouncy Castle for Java's BCFKS keystore loading, where unbounded KDF cost can be triggered by an untrusted file. Affected products/versions are: BC Java before 1.85; BC Java LTS before 2.73.12; and BC-FJA (FIPS) before bc-fips 1.0.2.7 (1.0.X), 2.0.2 (2.0.X), and 2...