CVE-2026-3505

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

HIGH
7.5
CVSS Score
Published: April 15, 2026 at 09:06 AM UTC
Updated: October 26, 2026 at 10:10 PM UTC
8 products affected across 2 vendorsBC JavaEnterprise LinuxJBoss Enterprise Application Platform

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Severity
HIGH7.5
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

1.74 ≤ v < 1.80.21.81 ≤ v < 1.81.11.82 ≤ v < 1.841.741.811.82
Affected range stops below 1.80.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.81.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.84, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 0:1.10.0-46.Final_redhat_00044.1.el7eap (unaffected)
Vendor states this is fixed in 0:1.10.0-46.Final_redhat_00044.1.el8eap (unaffected)
Vendor states this is fixed in 0:1.10.0-46.Final_redhat_00044.1.el9eap (unaffected)
Vendor states this is fixed in 0:1.5.26-2.Final_redhat_00001.1.el7eap (unaffected)
Vendor states this is fixed in 0:1.5.26-2.Final_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:1.5.26-2.Final_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:1.84.0-1.redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:1.84.0-1.redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:2.16.0-22.redhat_00057.1.el7eap (unaffected)
Vendor states this is fixed in 0:2.16.0-22.redhat_00057.1.el8eap (unaffected)
Vendor states this is fixed in 0:2.16.0-22.redhat_00057.1.el9eap (unaffected)
Vendor states this is fixed in 0:2.18.8-1.redhat_00003.1.el7eap (unaffected)
Vendor states this is fixed in 0:2.18.8-1.redhat_00003.1.el8eap (unaffected)
Vendor states this is fixed in 0:2.18.8-1.redhat_00003.1.el9eap (unaffected)
Vendor states this is fixed in 0:2.2.40-1.SP3_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:2.2.40-1.SP3_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:2.2.40-2.SP3_redhat_00001.1.el7eap (unaffected)
Vendor states this is fixed in 0:2.3.14-11.SP11_redhat_00001.1.el7eap (unaffected)
Vendor states this is fixed in 0:2.3.14-11.SP11_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:2.3.14-11.SP11_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:2.5.5-24.SP12_redhat_00016.1.el7eap (unaffected)
Vendor states this is fixed in 0:2.5.5-24.SP12_redhat_00016.1.el8eap (unaffected)
Vendor states this is fixed in 0:2.5.5-24.SP12_redhat_00016.1.el9eap (unaffected)
Vendor states this is fixed in 0:2.5.5-30.SP12_redhat_00020.1.el7eap (unaffected)
Vendor states this is fixed in 0:2.5.5-30.SP12_redhat_00020.1.el8eap (unaffected)
Vendor states this is fixed in 0:2.5.5-30.SP12_redhat_00020.1.el9eap (unaffected)
Vendor states this is fixed in 0:4.1.135-1.Final_redhat_00001.1.el7eap (unaffected)
Vendor states this is fixed in 0:4.1.135-1.Final_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:4.1.135-1.Final_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:5.0.31-3.SP2_redhat_00001.1.el7eap (unaffected)
Vendor states this is fixed in 0:5.0.31-3.SP2_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:5.0.31-3.SP2_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:7.4.25-2.GA_redhat_00001.1.el7eap (unaffected)
Vendor states this is fixed in 0:7.4.25-2.GA_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:7.4.25-2.GA_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 1.84.0.redhat-1 (unaffected)
All versions
Vendor states this is fixed in 1786533561 (unaffected)
Vendor states this is fixed in 1786533565 (unaffected)
Vendor states this is fixed in 1786628667 (unaffected)
Vendor states this is fixed in 1786628681 (unaffected)
Vendor states this is fixed in 1787124632 (unaffected)
Vendor states this is fixed in 1787124635 (unaffected)
Vendor states this is fixed in 1787124779 (unaffected)
Vendor states this is fixed in 1787124925 (unaffected)
Vendor states this is fixed in 1787125069 (unaffected)
Vendor states this is fixed in 1787125166 (unaffected)
Vendor states this is fixed in 1787125311 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (25)

Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2026:13631
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2026:17668
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2026:18054
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2026:18055
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/errata/RHSA-2026:18059
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/security/cve/CVE-2026-3505

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHredhat-SADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-770CWE-400

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