CVE-2026-66033

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-2026-66337: Out-of-bounds Read

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...

CVE-2026-66033: Integer Underflow (Wrap or Wraparound)

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...

CVE-2026-45813: Out-of-bounds Write

Out-of-bounds Write, Integer Underflow Wrap or Wraparound vulnerability in Apache NimBLE BASS service. Improper validation when parsing BASS service "Add Source" and "Modify Source" operation PDU could results in stack buffer overflow or arbitrary out-of-bound read. This can be triggered by nearb...

PT-2026-67248

Name of the Vulnerable Software and Affected Versions FluidSynth versions 2.5.0 through 2.5.5 Description The SF2 parser in this software synthesizer fails to reject chunks smaller than one record when computing the DMOD modulator count. A specially crafted SF2 file with a zero-sized DMOD chunk...

USN-8585-1 krb5 vulnerabilities

It was discovered that Kerberos had an integer underflow vulnerability in the berval2tldata function. An attacker could possibly use this issue to cause Kerberos to crash, resulting in a denial of service. CVE-2026-11850 It was discovered that Kerberos had vulnerabilities in its NegoEx mechanism...

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-2026:42063 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 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...

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...

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...

ANT-2026-Z477W54M · ClamAV · Integer Underflow

integer-underflow high CVE-2026-20214 GHSA-86w7-h9x4-hpxv Severity Claude high · Security research firm high · Maintainer high Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-Z477W54M:...

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...

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...

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...

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...