MiracleLinux 8 : libreswan-4.12-2.el8_10.6 (AXSA:2026-1390:01)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-1390:01 advisory. librenswan: IKEv1 Denial of Service via RSA-SHA1 PKCS1 Version 1.5 Encrypted authentication payload CVE-2026-50721 librenswan: IKEv2 Denial of Servi...

CVE-2026-66754

Rouille 0.1.6 through 3.6.2 contains a reachable assertion vulnerability in the Request::removeprefix function that allows remote unauthenticated attackers to crash the server by sending a crafted percent-encoded URL. Attackers can send a request whose decoded path matches a configured prefix whi...

CVE-2026-66754

Rouille 0.1.6 through 3.6.2 contains a reachable assertion vulnerability in the Request::removeprefix function that allows remote unauthenticated attackers to crash the server by sending a crafted percent-encoded URL. Attackers can send a request whose decoded path matches a configured prefix whi...

libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process

No description is available for this CVE...

RLSA-2026:46397 Important: libreswan security update

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network VPN...

libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process

No description is available for this CVE...

librenswan: IKEv2 Denial of Service via malformed fragmentation

A flaw was found in Libreswan's IKEv2 fragment reassembly mechanism. When a VPN gateway processes incoming split network packets fragments containing unexpected data, an off-by-one boundary validation error triggers an internal program safety check assertion failure. A remote, unauthenticated...

libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process

No description is available for this CVE...

librenswan: IKEv2 Denial of Service via malformed fragmentation

A flaw was found in Libreswan's IKEv2 fragment reassembly mechanism. When a VPN gateway processes incoming split network packets fragments containing unexpected data, an off-by-one boundary validation error triggers an internal program safety check assertion failure. A remote, unauthenticated...

libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process

No description is available for this CVE...

ALSA-2026:46398 Important: libreswan security update

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network VPN...

RockyLinux 9 : libreswan (RLSA-2026:46397)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:46397 advisory. librenswan: IKEv1 Denial of Service via RSA-SHA1 PKCS1 Version 1.5 Encrypted authentication payload CVE-2026-50721 librenswan: IKEv2 Denial of Service v...

AlmaLinux 10 : libreswan (ALSA-2026:46398)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:46398 advisory. librenswan: IKEv1 Denial of Service via RSA-SHA1 PKCS1 Version 1.5 Encrypted authentication payload CVE-2026-50721 librenswan: IKEv2 Denial of Service v...

Remote DNS-over-QUIC (DoQ) flow-control assertion failure in libngtcp2

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CVE-2026-13073

The CVE describes an issue in MongoDB’s mongod where an authenticated user with read-only privileges can trigger abnormal termination via a crafted aggregation command. The root cause is an internal engine selection inconsistency caused by a specific combination of aggregation options, leading to...

CVE-2026-13204

If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for only one of these types, then BIND may exit unexpectedly with an assertion while validating this proof...

unbound: Unbound: Denial of Service via crafted DNS-over-QUIC connection

A flaw was found in Unbound. A remote, unauthenticated client can exploit this vulnerability by sending a specially crafted DNS-over-QUIC DoQ connection and a single DNS query. This can trigger an assertion failure in the libngtcp2 library, leading to the termination of the entire Unbound process...

CVE-2026-55991

CVE-2026-55991 affects NLnet Labs Unbound 1.22.0–1.25.1. A remote unauthenticated DoQ client can trigger a libngtcp2 assertion by passing an erroneous error value when ngtcp2_conn_writev_stream() returns NGTCP2_ERR_STREAM_DATA_BLOCKED and Unbound calls ngtcp2_ccerr_set_application_error() with -1...

CVE-2026-44435

CVE-2026-44435 : Quicly (QUIC protocol implementation used with H2O) contains an assertion failure that triggers a Denial of Service when the total number of valid handshake messages over a CRYPTO stream within a single packet number space exceeds 32KB. The issue is fixed by commit 937d0e9. Affec...

CVE-2026-44435 Quicly: Remote Denial of Service via assertion failure when CRYPTO stream handshake data exceeds 32KB

Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit 937d0e9, an assertion failure is raised when the total number of valid handshake messages received over a CRYPTO stream of a single packet number space exceeds 32KB, causing a...