CVE-2026-3505— Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-3505
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.
Source: NVD (National Vulnerability Database)
Vulnerability 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 1.84.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
Bouncy Castle Java 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bouncy Castle Java是Legion of the Bouncy Castle Inc开源的一个加密算法程序。 Bouncy Castle Java 1.84之前版本存在安全漏洞，该漏洞源于资源分配无限制，可能导致预认证资源耗尽。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA | 1.74 ~ 1.84 | - |
II. Public POCs for CVE-2026-3505
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-3505
请登录查看更多情报信息。
Same Patch Batch · Legion of the Bouncy Castle Inc. · 2026-04-15 · 5 CVEs total
| CVE-2026-0636 | LDAP Injection Vulnerability in LDAPStoreHelper.java | |
| CVE-2026-5588 | PKIX draft CompositeVerifier accepts empty signature sequence as valid. | |
| CVE-2026-5598 | Non-constant time comparisons risk private key leakage in FrodoKEM. | |
| CVE-2025-14813 | GOSTCTR implementation unable to process more than 255 blocks correctly |
IV. Related Vulnerabilities
Same product: BC-JAVA
Same vendor: Legion of the Bouncy Castle Inc.
- CVE-2026-8149
GCM chunking can lead to bad tag exception on decryption - CVE-2026-5588
PKIX draft CompositeVerifier accepts empty signature sequenc - CVE-2026-5598
Non-constant time comparisons risk private key leakage in Fr - CVE-2026-0636
LDAP Injection Vulnerability in LDAPStoreHelper.java - CVE-2025-14813
GOSTCTR implementation unable to process more than 255 block
Same weakness: CWE-770
- CVE-2026-42294
Argo Workflows: Unauthenticated Memory Exhaustion (DoS) in W - CVE-2026-42189
Russh: Pre-auth DoS via unbounded allocation in keyboard-int - CVE-2026-42793
Atom table exhaustion via attacker-controlled GraphQL SDL na - CVE-2026-44499
ZEBRA: Permanent Block Discovery Halt via Gossip Queue Satur - CVE-2026-44500
ZEBRA: Allocation Amplification in Inbound Network Deseriali
V. Comments for CVE-2026-3505
No comments yet