CVE-2026-12816

Bouncy Castle for Java contains an IESEngine stream-mode MAC forgery flaw via a length-dependent KDF split, affecting versions before 1.85 (and Bouncy Castle for Java LTS before 2.73.12). The issue is documented in CVE-2026-12816 with no exploitation details provided in the supplied sources. No r...

CVE-2026-12816

In Bouncy Castle for Java before 1.85, IESEngine stream-mode MAC forgery via length-dependent KDF split. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

CVE-2026-12816 IESEngine stream-mode MAC forgery via length-dependent KDF split

In Bouncy Castle for Java before 1.85, IESEngine stream-mode MAC forgery via length-dependent KDF split. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

CVE-2026-12816 IESEngine stream-mode MAC forgery via length-dependent KDF split

In Bouncy Castle for Java before 1.85, IESEngine stream-mode MAC forgery via length-dependent KDF split. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

CVE-2026-12816 IESEngine stream-mode MAC forgery via length-dependent KDF split

In Bouncy Castle for Java before 1.85, IESEngine stream-mode MAC forgery via length-dependent KDF split. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

EUVD-2026-52135

In Bouncy Castle for Java before 1.85, IESEngine stream-mode MAC forgery via length-dependent KDF split. This issue also affects Bouncy Castle for Java LTS before 2.73.12...

PT-2026-67017

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions prior to 1.85 Bouncy Castle for Java LTS versions prior to 2.73.12 Description An issue exists in the IESEngine where a MAC forgery is possible in stream-mode due to a length-dependent KDF split. KDF refers to a...

CVE-2026-12816: Improper Validation of Integrity Check Value

In Bouncy Castle for Java before 1.85, IESEngine stream-mode MAC forgery via length-dependent KDF split. This issue also affects Bouncy Castle for Java LTS before 2.73.12...