Fluid Attacks Database

Description

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).

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Component	Affected version
debian 14	bouncycastle	=1.80-3
debian 11	bouncycastle	=1.68-2 \|\| =1.68-3 \|\| =1.68-4 \|\| =1.68-5 \|\| =1.69-1 \|\| =1.71-1 \|\| =1.72-1 \|\| =1.72-2 \|\| =1.77-1 \|\| =1.80-1 \|\| =1.80-2 \|\| =1.80-3
debian 12	bouncycastle	=1.72-2 \|\| =1.77-1 \|\| =1.80-1 \|\| =1.80-2 \|\| =1.80-3
debian 13	bouncycastle	=1.80-3

Aliases

1. CVE-2026-580602. NVD-2026-580603. OSV-DEBIAN-2026-580604. OSV-2026-580605. SECURITY-TRACKER-CVE-2026-58060

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