CVE-2026-59645

High

Description

In Bouncy Castle for Java before 1.85, OER parser recurses without depth limit on self-referential IEEE 1609.2 schema. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcutil-fips 2.0.7 (2.0.X series) and 2.1.7 (2.1.X series).

SeverityHigh

CVSS7.5

Exploit probability—

ProductBouncycastle Bcutil-fips

PublishedAug 3, 2026

First seenAug 3, 2026

Weakness typeCWE-674CWE-674

How to fix

Update

bouncycastle bcutil-fips2.0.7, 2.1.7 or later
bouncycastle bc-java1.85 or later

Patches

github.com/bcgit/bc-java/commit/822b2478b131097368a56290f5728e28dd042989

Vendor advisories

github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059645

Affected products

Product	Affected versions	Fixed in
bouncycastle bcutil-fips	2.0.2 ≤ v < 2.0.7, 2.1.4 ≤ v < 2.1.7	2.0.7, 2.1.7
bouncycastle bc-java	v < 1.85	1.85
bouncycastle bouncy_castle_for_java_lts	v ≤ 2.73.11	—

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