CVE-2026-15055CWE-770denial-of-service

CVE-2026-15055

High · published August 3, 2026

CVSS v3.1
8.2
EPSS
0%
Percentile
26.1
In the wild
Unconfirmed
What it is

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).

The record
Technical detail
CVSS v3.1
8.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00339 · 26.1th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-08-03T05:16Z
Affected products (5)
ProductVersionsFixed in
bouncycastle/bc-java< 1.851.85
bouncycastle/bcpkix-fips< 1.0.121.0.12
bouncycastle/bcpkix-fips≥ 2.0.7, < 2.0.122.0.12
bouncycastle/bcpkix-fips≥ 2.1.8, < 2.1.122.1.12
bouncycastle/bouncy_castle_for_java_lts≤ 2.73.11—
References (2)
https://github.com/bcgit/bc-java/commit/7ab4ee67a0135950001b29b41a96d8a9a5d3b68b · 91579145-5d7b-4cc5-b925-a0262ff19630https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9015055 · 91579145-5d7b-4cc5-b925-a0262ff19630
EPSS history
Timeline
  • 03 AUG 00:32Z
    PKCS#8 / PBES2 decryptors honour unbounded KDF cost from input
    cvelistv5