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CVE PROGRAM SOURCE RECORD6.9 Medium

CVE-2026-59648

OpenPGP Argon2 S2K honours attacker-chosen memory and passes

Description

In Bouncy Castle for Java before 1.85, OpenPGP Argon2 S2K honours attacker-chosen memory and passes. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 1.0.13 (1.0.X series), 2.0.13 (2.0.X series) and 2.1.13 (2.1.X series).

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Legion of the Bouncy Castle Inc. BC-JAVA

Default version status: unaffected

  • 1.71 to < 1.85affected
pkg:maven/org.bouncycastle/bcpg-jdk18on

Legion of the Bouncy Castle Inc. BC-LTS-JAVA

Default version status: unaffected

  • 2.73.0 to < 2.73.12affected
pkg:maven/org.bouncycastle/bcpg-lts8on

Legion of the Bouncy Castle Inc. BC-FJA

Default version status: unaffected

  • 1.0.6 to < 1.0.13affected
  • 2.0.0 to < 2.0.13affected
  • 2.1.0 to < 2.1.13affected
pkg:maven/org.bouncycastle/bcpg-fips

References