CVE-2026-3505

HIGH

Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.

Title source: cna
STIX 2.1

Description

Allocation of resources without limits or throttling, Uncontrolled Resource Consumption vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpg on all (pg modules). This vulnerability is associated with program files AEADEncDataPacket.Java, BcAEADUtil.Java, JceAEADUtil.Java, OperatorHelper.Java. This issue affects BC-JAVA: from 1.74 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84.

References (10)

Core 10

Scores

CVSS v3 7.5
EPSS 0.0076
EPSS Percentile 51.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400 CWE-770
Status published
Products (11)
Legion of the Bouncy Castle Inc./BC-JAVA 1.74 - 1.80.2
Legion of the Bouncy Castle Inc./BC-JAVA 1.74 - 1.84
Legion of the Bouncy Castle Inc./BC-JAVA 1.81 - 1.81.1
Legion of the Bouncy Castle Inc./BC-JAVA 1.82 - 1.84
org.bouncycastle/bcpg-jdk12 0Maven
org.bouncycastle/bcpg-jdk14 0 - 1.84Maven
org.bouncycastle/bcpg-jdk15 0Maven
org.bouncycastle/bcpg-jdk15on 0Maven
org.bouncycastle/bcpg-jdk15to18 0 - 1.84Maven
org.bouncycastle/bcpg-jdk16 0Maven
... and 1 more
Published Apr 15, 2026
Tracked Since Apr 15, 2026