EUVD-2026-91225

Memory allocation with excessive size value in the OpenPGP signature and user attribute subpacket parsers SignatureSubpacketsParser.ReadPacket, UserAttributeSubpacketsParser.ReadPacket in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote, unauthenticated attacker who can...

CVE-2026-63574 Unbounded allocation from OpenPGP signature and user attribute subpacket lengths

Memory allocation with excessive size value in the OpenPGP signature and user attribute subpacket parsers SignatureSubpacketsParser.ReadPacket, UserAttributeSubpacketsParser.ReadPacket in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote, unauthenticated attacker who can...

EUVD-2026-91223

Allocation of resources without limits in PKCS12 keystore loading Pkcs12Store.Load in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who can supply a PKCS12 PFX file to cause a denial of service through CPU exhaustion via an iteration count close to 2^31 in the file's...

CVE-2026-63572 Unbounded MAC and bag-decryption iteration counts when loading PKCS#12 files

Allocation of resources without limits in PKCS12 keystore loading Pkcs12Store.Load in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who can supply a PKCS12 PFX file to cause a denial of service through CPU exhaustion via an iteration count close to 2^31 in the file's...

CVE-2026-63570 Pkcs12Store.GetCertificateChain loops forever on cyclic issuer links

Loop with unreachable exit condition in Pkcs12Store.GetCertificateChain in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who can supply a crafted PKCS12 file to an application that loads it and requests a key entry's certificate chain to cause a denial of service, in...

CVE-2026-63570 Pkcs12Store.GetCertificateChain loops forever on cyclic issuer links

Loop with unreachable exit condition in Pkcs12Store.GetCertificateChain in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who can supply a crafted PKCS12 file to an application that loads it and requests a key entry's certificate chain to cause a denial of service, in...

EUVD-2026-91221

Loop with unreachable exit condition in Pkcs12Store.GetCertificateChain in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who can supply a crafted PKCS12 file to an application that loads it and requests a key entry's certificate chain to cause a denial of service, in...

CVE-2026-63570

The bc-csharp library by Legion of the Bouncy Castle Inc. (versions before 2.7.0 ) is vulnerable to a denial of service (DoS) via an infinite loop in Pkcs12Store.GetCertificateChain . An attacker can provide a crafted PKCS#12 file containing certificates with cyclic issuer links —such as two cert...

CVE-2026-63570 Pkcs12Store.GetCertificateChain loops forever on cyclic issuer links

Loop with unreachable exit condition in Pkcs12Store.GetCertificateChain in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who can supply a crafted PKCS12 file to an application that loads it and requests a key entry's certificate chain to cause a denial of service, in...

CVE-2026-63568 Unbounded CMP/CRMF password-based MAC iteration count allows CPU exhaustion

Allocation of resources without limits or throttling in the CMP/CRMF password-based MAC verifier PKMacBuilder in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote unauthenticated attacker to cause a denial of service through CPU exhaustion via a CMP message or CRMF certifica...

CVE-2026-63568

The Bouncy Castle Inc. bc-csharp library (versions before 2.7.0 ) is vulnerable to a denial of service via CPU exhaustion. The flaw exists in the PKMacBuilder component, which handles CMP/CRMF password-based MAC verification. Specifically, the ProtectedPkiMessage.Verify and CertificateRequestMess...

EUVD-2026-91219

Allocation of resources without limits or throttling in the CMP/CRMF password-based MAC verifier PKMacBuilder in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote unauthenticated attacker to cause a denial of service through CPU exhaustion via a CMP message or CRMF certifica...

CVE-2026-63568 Unbounded CMP/CRMF password-based MAC iteration count allows CPU exhaustion

Allocation of resources without limits or throttling in the CMP/CRMF password-based MAC verifier PKMacBuilder in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote unauthenticated attacker to cause a denial of service through CPU exhaustion via a CMP message or CRMF certifica...

EUVD-2026-91217

Memory allocation with excessive size value in the DTLS handshake reassembly DtlsReliableHandshake, DtlsReassembler in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote unauthenticated DTLS peer to cause a denial of service through memory exhaustion via crafted handshake...

CVE-2026-63566 DTLS handshake reassembler allocates buffer from unchecked 24-bit length

Memory allocation with excessive size value in the DTLS handshake reassembly DtlsReliableHandshake, DtlsReassembler in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote unauthenticated DTLS peer to cause a denial of service through memory exhaustion via crafted handshake...

CVE-2026-63566 DTLS handshake reassembler allocates buffer from unchecked 24-bit length

Memory allocation with excessive size value in the DTLS handshake reassembly DtlsReliableHandshake, DtlsReassembler in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote unauthenticated DTLS peer to cause a denial of service through memory exhaustion via crafted handshake...

CVE-2026-63566

The bc-csharp library (versions before 2.7.0 ) by Legion of the Bouncy Castle Inc. is vulnerable to a memory exhaustion denial of service. The flaw exists in the DTLS handshake reassembly (DtlsReliableHandshake , DtlsReassembler ), where the system allocates a reassembly buffer based on a 24-bit ...

CVE-2026-63566 DTLS handshake reassembler allocates buffer from unchecked 24-bit length

Memory allocation with excessive size value in the DTLS handshake reassembly DtlsReliableHandshake, DtlsReassembler in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote unauthenticated DTLS peer to cause a denial of service through memory exhaustion via crafted handshake...

CVE-2026-85005 Popup Maker WP 1.2.2.1 - 1.4.5 - Subscriber+ Zero-Argument PHP Callable Invocation via Missing Authorization

The Popup Maker WP WordPress plugin through 1.4.5 does not perform authorization checks on several of its actions and exposes its management page to any logged-in user, allowing users with a low-privileged role such as Subscriber to store display-targeting values that are later invoked as...

CVE-2026-85005 Popup Maker WP 1.2.2.1 - 1.4.5 - Subscriber+ Zero-Argument PHP Callable Invocation via Missing Authorization

The Popup Maker WP WordPress plugin through 1.4.5 does not perform authorization checks on several of its actions and exposes its management page to any logged-in user, allowing users with a low-privileged role such as Subscriber to store display-targeting values that are later invoked as...