# CVE-2026-3505

## Summary

- **CVE ID:** CVE-2026-3505
- **Severity:** HIGH
- **CVSS Score:** 8.7 (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)
- **CWE:** CWE-770, CWE-400
- **Published:** Apr 15, 2026
- **Last Modified:** Sep 18, 2026

## 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.

## Affected Products

- Legion of the Bouncy Castle Inc. — BC-JAVA (0)
- Legion of the Bouncy Castle Inc. — BC-JAVA (1.74)
- Legion of the Bouncy Castle Inc. — BC-JAVA (1.81)
- Legion of the Bouncy Castle Inc. — BC-JAVA (1.82)

## References

- [CNA](https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%903505)
- [CNA](https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1)
- [redhat-SADP](https://access.redhat.com/security/cve/CVE-2026-3505)
- [redhat-SADP](https://bugzilla.redhat.com/show_bug.cgi?id=2458638)
- [redhat-SADP](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3505.json)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:18054)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:18055)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:13631)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:18059)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:17668)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:53644)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:53806)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60247)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60239)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60251)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60246)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60250)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60259)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60254)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60249)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60248)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60252)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60256)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:53645)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:53646)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.79%
- **EPSS Percentile:** 54.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._