CVE-2026-12860 RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path

In Bouncy Castle for Java before 1.85, RSA PKCS1 verification skips last two hash bytes in NULL-omitted path. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

CVE-2026-12860

Affected software: Bouncy Castle for Java (and Java LTS) prior to specific versions. The vulnerability (CVE-2026-12860) concerns RSA PKCS#1 verification skipping the last two hash bytes in the NULL-omitted path. This could impact signature verification correctness. Affected versions: BC Java befo...

CVE-2026-12860 RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path

In Bouncy Castle for Java before 1.85, RSA PKCS1 verification skips last two hash bytes in NULL-omitted path. This issue also affects Bouncy Castle for Java LTS before 2.73.12...