Allocation of resources without limits or throttling vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpg on all (pg modules).This issue affects BC-JAVA: before 1.84.

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Legion of the Bouncy Castle Inc. BC-JAVA unaffected
Version Status Constraints
1.74 affected < 1.84

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1 cve-icon
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%903505 cve-icon
History

Wed, 15 Apr 2026 11:00:00 +0000

Type Values Removed Values Added
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

 cvssV4_0

{'score': 8.7, 'vector': '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'}

Wed, 15 Apr 2026 10:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-400
References

Wed, 15 Apr 2026 09:30:00 +0000

Type Values Removed Values Added
Description Allocation of resources without limits or throttling vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpg on all (pg modules).This issue affects BC-JAVA: before 1.84. Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.
Title Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.
Weaknesses CWE-770
References
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: bcorg

Published:

Updated: 2026-04-15T10:42:23.323Z

Reserved: 2026-03-04T00:44:50.028Z

Link: CVE-2026-3505

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

No data.

Weaknesses