CVE-2026-15055
High
Description
In Bouncy Castle for Java before 1.85, PKCS#8 / PBES2 decryptors honour unbounded KDF cost from input. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).
SeverityHigh
CVSS8.2
Exploit probability27. percentile0.3%
ProductBouncycastle Bcpkix-fips
PublishedAug 3, 2026
First seenAug 3, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- bouncycastle bcpkix-fips1.0.12, 2.0.12, 2.1.12 or later
- bouncycastle bc-java1.85 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| bouncycastle bcpkix-fips | v < 1.0.12, 2.0.7 ≤ v < 2.0.12, 2.1.8 ≤ v < 2.1.12 | 1.0.12, 2.0.12, 2.1.12 |
| bouncycastle bc-java | v < 1.85 | 1.85 |
| bouncycastle bouncy_castle_for_java_lts | v ≤ 2.73.11 | — |
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