CVE-2026-12185CWE-789

CVE-2026-12185

High · published August 3, 2026

CVSS v3.1
8.6
EPSS
0%
Percentile
20.5
In the wild
Unconfirmed
What it is

In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00291 · 20.5th percentile
Weakness
CWE-789 · Memory Allocation with Excessive Size Value
Published
2026-08-03T05:16Z
Affected products (2)
ProductVersionsFixed in
bouncycastle/bc-java< 1.851.85
bouncycastle/bouncy_castle_for_java_lts≤ 2.73.11—
References (2)
https://github.com/bcgit/bc-java/commit/7bbd7fe5f44132e5b6140a2914435c12430eeb3d · 91579145-5d7b-4cc5-b925-a0262ff19630https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9012185 · 91579145-5d7b-4cc5-b925-a0262ff19630
EPSS history
Timeline
  • 03 AUG 00:38Z
    BKS/UBER keystore allocates from untrusted lengths before integrity check
    cvelistv5