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CVE-2026-13505: CWE-772 Missing Release of Resource after Effective Lifetime in Legion of the Bouncy Castle Inc. BC-FJA

0
High
VulnerabilityCVE-2026-13505cvecve-2026-13505cwe-772
Published: 08/08/2026 (08/08/2026, 00:59:40 UTC)
Source: CVE Database V5
Vendor/Project: Legion of the Bouncy Castle Inc.
Product: BC-FJA

Description

In Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series), sensitive key material held by the AES and DESede engines, the SP 800-90A DRBGs, SymmetricSecretKey and the PBKD and scrypt parameter classes was zeroised on garbage collection by overriding Object.finalize. Finalization runs at an unspecified time and in an unspecified order and is serviced by a single finalizer thread, so where objects carrying a finalizer are allocated faster than that thread retires them the pending-finalization queue grows without bound: disposal falls arbitrarily far behind, which can contribute to an OutOfMemoryError under load, and the key material those objects hold stays resident in the heap for as long as they are queued, defeating the purpose of the zeroisation. The behaviour was not a problem on Java 8 or Java 11; it is later JVMs, on which finalization has been deprecated and progressively de-emphasised, where it becomes one. Disposal of these classes now runs from a java.lang.ref.Cleaner registered in the multi-release jdk1.9 overlay, so on Java 9 and later it no longer depends on the finalizer being scheduled. Bouncy Castle for Java (bcprov) and Bouncy Castle for Java LTS are not affected, as neither implements the finalizer-based zeroisation scheme.

CVSS v4.0

Score 8.7high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Amber

Affected software

Affected versions
=1.0.0=2.0.0=2.1.0

Technical Details

Data Version
5.2
Assigner Short Name
bcorg
Date Reserved
2026-06-28T01:23:14.833Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a7685e1bf8831d539a35fd9

Added to database: 08/08/2026, 01:26:57 UTC

Last updated: 08/08/2026, 01:26:57 UTC

Views: 1

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