CVE-2026-3505
HIGHUnbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.
Title source: cnaDescription
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 (2)
Core 2
Core References
Vendor Advisory vendor-advisory
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%903505
Scores
CVSS v4
8.7
EPSS
0.0041
EPSS Percentile
32.8%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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