CVE-2026-84784: Allocation of Resources Without Limits or Throttling

Issue summary: A malicious remote peer may flood the local QUIC stack with NEWCONNECTIONID frames by avoiding a limit check on how many connection IDs the remote QUIC stack can use. Impact summary: The local QUIC stack sends a RETIRECONNID frame for every NEWCONNECTIONID frame it receives. The...

PT-2026-102648

Name of the Vulnerable Software and Affected Versions OpenSSL affected versions not specified Description The OpenSSL QUIC server, when configured to skip address validation, incorrectly calculates the unvalidated credit limit. When processing a datagram containing multiple QUIC packets, the serv...

PT-2026-102655

Name of the Vulnerable Software and Affected Versions OpenSSL affected versions not specified Description A CMP client that requests certificate revocation using a PKCS10 CSR may experience a NULL pointer dereference when processing a specially crafted revocation response from a server. This occu...

PT-2026-109012

Issue summary: A CMP client that requests certificate revocation on the basis of a PKCS10 CSR may dereference a NULL pointer and terminate abnormally when processing a crafted revocation response. Impact summary: The NULL pointer dereference happens on a read which leads to a crash and a Denial o...

PT-2026-109015

Issue summary: A certificate with many nameRelativeToCRLIssuer CRL distribution points causes disproportionate heap growth when OpenSSL caches X.509 extensions. Impact summary: Receiving a crafted certificate from a malicious peer can lead to significant memory pressure and possible Denial of...

PT-2026-109036

Issue summary: A certificate with many nameRelativeToCRLIssuer CRL distribution points causes disproportionate heap growth when OpenSSL caches X.509 extensions. Impact summary: Receiving a crafted certificate from a malicious peer can lead to significant memory pressure and possible Denial of...

PT-2026-109054

Issue summary: OpenSSL QUIC stack does not enforce connection level flow control for streams. Remote peers may send more bytes as long as they fit within the stream flow control limits. Impact summary: A malicious remote peer may exploit the lack of connection flow control for streams to make the...

PT-2026-109095

Issue summary: A CMP client that requests certificate revocation on the basis of a PKCS10 CSR may dereference a NULL pointer and terminate abnormally when processing a crafted revocation response. Impact summary: The NULL pointer dereference happens on a read which leads to a crash and a Denial o...

PT-2026-109101

Issue summary: A certificate with many nameRelativeToCRLIssuer CRL distribution points causes disproportionate heap growth when OpenSSL caches X.509 extensions. Impact summary: Receiving a crafted certificate from a malicious peer can lead to significant memory pressure and possible Denial of...

PT-2026-109104

Issue summary: A malicious remote peer may flood the local QUIC stack with NEW CONNECTION ID frames by avoiding a limit check on how many connection IDs the remote QUIC stack can use. Impact summary: The local QUIC stack sends a RETIRE CONN ID frame for every NEW CONNECTION ID frame it receives...

PT-2026-109108

Issue summary: OpenSSL QUIC stack does not enforce connection level flow control for streams. Remote peers may send more bytes as long as they fit within the stream flow control limits. Impact summary: A malicious remote peer may exploit the lack of connection flow control for streams to make the...

PT-2026-109110

Issue summary: A certificate with many nameRelativeToCRLIssuer CRL distribution points causes disproportionate heap growth when OpenSSL caches X.509 extensions. Impact summary: Receiving a crafted certificate from a malicious peer can lead to significant memory pressure and possible Denial of...

CVE-2026-35189: Allocation of Resources Without Limits or Throttling

Issue summary: A certificate with many nameRelativeToCRLIssuer CRL distribution points causes disproportionate heap growth when OpenSSL caches X.509 extensions. Impact summary: Receiving a crafted certificate from a malicious peer can lead to significant memory pressure and possible Denial of...

CVE-2026-54875: Observable Timing Discrepancy

Issue summary: A non-constant-time optimized implementation of scalar point multiplication is used for SM2 private key operations on ARM64 and RISC-V platforms. Impact summary: An attacker able to measure the time taken by, or to observe the cache-line access pattern of SM2 signing or decryption ...

CVE-2026-75804: Allocation of Resources Without Limits or Throttling

Issue summary: OpenSSL QUIC stack does not enforce connection level flow control for streams. Remote peers may send more bytes as long as they fit within the stream flow control limits. Impact summary: A malicious remote peer may exploit the lack of connection flow control for streams to make the...

CVE-2026-84784: Allocation of Resources Without Limits or Throttling

Issue summary: A malicious remote peer may flood the local QUIC stack with NEWCONNECTIONID frames by avoiding a limit check on how many connection IDs the remote QUIC stack can use. Impact summary: The local QUIC stack sends a RETIRECONNID frame for every NEWCONNECTIONID frame it receives. The...

PT-2026-102652

Name of the Vulnerable Software and Affected Versions OpenSSL versions 4.0 through 4.0.2 OpenSSL versions 3.6 through 3.6.4 OpenSSL versions 3.5 through 3.5.8 OpenSSL versions 3.4 through 3.4.7 Description On ARM64 and RISC-V platforms, the SM2 curve utilizes a scalar multiplication implementatio...

PT-2026-102654

Name of the Vulnerable Software and Affected Versions OpenSSL affected versions not specified Description The QUIC stack fails to enforce connection-level flow control for streams, although it correctly enforces stream-level limits. A remote peer can bypass the intended connection flow control...

PT-2026-109035

Issue summary: OpenSSL QUIC stack does not enforce connection level flow control for streams. Remote peers may send more bytes as long as they fit within the stream flow control limits. Impact summary: A malicious remote peer may exploit the lack of connection flow control for streams to make the...

PT-2026-109041

Issue summary: A CMP client that requests certificate revocation on the basis of a PKCS10 CSR may dereference a NULL pointer and terminate abnormally when processing a crafted revocation response. Impact summary: The NULL pointer dereference happens on a read which leads to a crash and a Denial o...