Incorrect Comparison

Overview Affected versions of this package are vulnerable to Incorrect Comparison through the JceKeyTransRecipient key transport path in pkix/src/main/java/org/bouncycastle/cms/jcajce/JceKeyTransRecipient.java. An attacker can bypass the opt-in key-size check and have an EnvelopedData or...

Incorrect Comparison

Overview Affected versions of this package are vulnerable to Incorrect Comparison through the JceKeyTransRecipient key transport path in pkix/src/main/java/org/bouncycastle/cms/jcajce/JceKeyTransRecipient.java. An attacker can bypass the opt-in key-size check and have an EnvelopedData or...

Incorrect Comparison

Overview Affected versions of this package are vulnerable to Incorrect Comparison through the JceKeyTransRecipient key transport path in pkix/src/main/java/org/bouncycastle/cms/jcajce/JceKeyTransRecipient.java. An attacker can bypass the opt-in key-size check and have an EnvelopedData or...

Incorrect Comparison

Overview Affected versions of this package are vulnerable to Incorrect Comparison through the JceKeyTransRecipient key transport path in pkix/src/main/java/org/bouncycastle/cms/jcajce/JceKeyTransRecipient.java. An attacker can bypass the opt-in key-size check and have an EnvelopedData or...

Incorrect Comparison

Overview Affected versions of this package are vulnerable to Incorrect Comparison through the JceKeyTransRecipient key transport path in pkix/src/main/java/org/bouncycastle/cms/jcajce/JceKeyTransRecipient.java. An attacker can bypass the opt-in key-size check and have an EnvelopedData or...

Incorrect Comparison

Overview Affected versions of this package are vulnerable to Incorrect Comparison through the JceKeyTransRecipient key transport path in pkix/src/main/java/org/bouncycastle/cms/jcajce/JceKeyTransRecipient.java. An attacker can bypass the opt-in key-size check and have an EnvelopedData or...

CVE-2026-71892

In Bouncy Castle for Java before 1.86, the opt-in key-size validation on CMS key-transport recipients, org.bouncycastle.cms.jcajce.JceKeyTransRecipient.setKeySizeValidationtrue, never ran for a message using RFC 9709 content-encryption key derivation id-alg-cek-hkdf-sha256. The branch that should...

UBUNTU-CVE-2026-71892

In Bouncy Castle for Java before 1.86, the opt-in key-size validation on CMS key-transport recipients, org.bouncycastle.cms.jcajce.JceKeyTransRecipient.setKeySizeValidationtrue, never ran for a message using RFC 9709 content-encryption key derivation id-alg-cek-hkdf-sha256. The branch that should...

CVE-2026-71892 CMS key-transport recipient key-size validation never runs for RFC 9709 HKDF-derived keys

In Bouncy Castle for Java before 1.86, the opt-in key-size validation on CMS key-transport recipients, org.bouncycastle.cms.jcajce.JceKeyTransRecipient.setKeySizeValidationtrue, never ran for a message using RFC 9709 content-encryption key derivation id-alg-cek-hkdf-sha256. The branch that should...