CVE-2026-59648: 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…

PriorityP430medium5.3CVSS 3.1

AVNACLPRNUINSUCNINAL

EPSS

0.27%

19.6th percentile

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

10 ranges

Vendor	Product	Version range	Fixed in
bouncycastle	bc-java	< 1.85	1.85
bouncycastle	bcpg-fips	>= 1.0.6 < 1.0.13	1.0.13
bouncycastle	bcpg-fips	>= 2.0.8 < 2.0.13	2.0.13
bouncycastle	bcpg-fips	>= 2.1.10 < 2.1.13	2.1.13
bouncycastle	bouncy_castle_for_java_lts	<= 2.73.11	—
legion_of_the_bouncy_castle_inc	bc-fja	>= 1.0.6 < 1.0.13	1.0.13
legion_of_the_bouncy_castle_inc	bc-fja	>= 2.0.0 < 2.0.13	2.0.13
legion_of_the_bouncy_castle_inc	bc-fja	>= 2.1.0 < 2.1.13	2.1.13
legion_of_the_bouncy_castle_inc	bc-java	>= 1.71 < 1.85	1.85
legion_of_the_bouncy_castle_inc	bc-lts-java	>= 2.73.0 < 2.73.12	2.73.12

CVSS provenance

nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

nvdv4.06.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Amber

vendor_redhat6.9MEDIUM

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