CVE-2026-3505
Unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion.
- State
- Published
- Severity
- 8.7 High
- Published
- Apr 15, 2026
- Updated
- Sep 18, 2026
- Reserved
- Mar 4, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | bcorg |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | redhat-SADP |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
BC-JAVALegion of the Bouncy Castle Inc. |
|
References
- https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%903505vendor-advisory
- https://github.com/bcgit/bc-java/commit/dc7530939ffb6cdb57636f3609d98e23b94e71c1patch
- https://access.redhat.com/security/cve/CVE-2026-3505vdb-entry
- RHBZ#2458638issue-tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3505.json
- https://access.redhat.com/errata/RHSA-2026:53644vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:53645vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:18054vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:53646vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:18055vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60247vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60249vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60248vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60239vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60251vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60246vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60250vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60252vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60259vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60254vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:60256vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:13631vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:18059vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:17668vendor-advisory
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