CVE-2026-66033 libssh2 Integer Underflow DoS via AES-GCM Cipher Negotiation

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

CVE-2026-66033 libssh2 Integer Underflow DoS via AES-GCM Cipher Negotiation

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

PT-2026-64281

Name of the Vulnerable Software and Affected Versions Apache NimBLE versions prior to 1.10.0 Description An integer underflow in the Apache NimBLE BASS service occurs due to improper validation when parsing Protocol Data Units PDU for the "Add Source" and "Modify Source" operations. This flaw can...

RLSA-2026:42063 Important: glib2 security update

GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures. Security Fixes: glib: integer underflow in...

glib2 security update

An update is available for glib2. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list GLib provides the core application building blocks for libraries and...

RLSA-2026:42089 Important: glib2 security update

GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures. Security Fixes: glib: integer underflow in...

glib2 security update

An update is available for glib2. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list GLib provides the core application building blocks for libraries and applicatio...

RockyLinux 9 : glib2 (RLSA-2026:42089)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:42089 advisory. glib: integer underflow in gio/gdbusintrospection.c via gdbusnodeinfonewforxml CVE-2026-58016 Tenable has extracted the preceding description block directly from...

CVE-2026-63935

A flaw was found in the Linux kernel's NXP SAR Analog-to-Digital Converter ADC module. A local user can trigger a division-by-zero error by providing a zero or negative value to the samplingfrequency sysfs attribute. This vulnerability can lead to a denial of service DoS due to the kernel crashin...

glib2 security update

An update is available for glib2. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list GLib provides the core application building blocks for libraries and applicatio...

CVE-2026-64102

A flaw was found in the Linux kernel's Soft-iWARP siw component for Remote Direct Memory Access RDMA. A remote attacker can send a specially crafted iWARP Fast Path Data Unit FPDU with a manipulated length field. This manipulation causes an integer underflow, leading to a use-after-free...

RockyLinux 8 : glib2 (RLSA-2026:42090)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:42090 advisory. glib: integer underflow in gio/gdbusintrospection.c via gdbusnodeinfonewforxml CVE-2026-58016 Tenable has extracted the preceding description block directly from...

AlmaLinux 9 : glib2 (ALSA-2026:42089)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:42089 advisory. glib: integer underflow in gio/gdbusintrospection.c via gdbusnodeinfonewforxml CVE-2026-58016 Tenable has extracted the preceding description block directly from...

Important: Red Hat Security Advisory: glib2 security update

An update for glib2 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

Important: Red Hat Security Advisory: glib2 security update

An update for glib2 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

Important: Red Hat Security Advisory: glib2 security update

An update for glib2 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

gnutls: GnuTLS: Denial of Service via DTLS zero-length fragment

A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leading to an integer underflow during reassembly and resulting in an out-of-bounds read. This issue is remotely exploitable and may cause information disclosure or denial of service...

ALSA-2026:42089 Important: glib2 security update

GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures. Security Fixes: glib: integer underflow in...

Important: glib2 security update

GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures. Security Fixes: glib: integer underflow in...

ALSA-2026:42063 Important: glib2 security update

GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures. Security Fixes: glib: integer underflow in...