PT-2026-75918

Impact The validity store treats a transaction with stored block number = X as "in window" only when X last bn - transaction validity window blocks strict inequality. However the protocol's Transaction::is valid at accepts a transaction for inclusion in any block in validity start height - blocks...

AlmaLinux 10 : isns-utils (ALSA-2026:53846)

The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:53846 advisory. open-isns: open-iscsi: Denial of Service via double-free in iSNS attribute decoder CVE-2026-55995 Tenable has extracted the preceding description block directly...

PT-2026-76559

Name of the Vulnerable Software and Affected Versions Nimiq versions prior to 1.5.1 Description The validity store uses a strict lower-bound comparison that expires stored transactions too early relative to the Transaction::is valid at function. This occurs because the store treats a transaction...

RockyLinux 8 : isns-utils (RLSA-2026:53848)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:53848 advisory. open-isns: open-iscsi: Denial of Service via double-free in iSNS attribute decoder CVE-2026-55995 Tenable has extracted the preceding description block directly...

ALSA-2026:54246 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: udf: fix partition descriptor append bookkeeping CVE-2026-45991 kernel: ice: fix double-free of txbuf skb CVE-2026-53009 For more details about the security issues, including the impact, ...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: udf: fix partition descriptor append bookkeeping CVE-2026-45991 kernel: ice: fix double-free of txbuf skb CVE-2026-53009 For more details about the security issues, including the impact, ...

AlmaLinux 8 : kernel (ALSA-2026:54246)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:54246 advisory. kernel: udf: fix partition descriptor append bookkeeping CVE-2026-45991 kernel: ice: fix double-free of txbuf skb CVE-2026-53009 Tenable has extracted th...

RHEL 8 : kernel-rt (RHSA-2026:54247)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:54247 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

RHEL 8 : kernel (RHSA-2026:53989)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:53989 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xen/privcmd: fix double free...

AlmaLinux 10 : libarchive (ALSA-2026:52675)

The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:52675 advisory. libarchive: Double-Free Vulnerability in RAR5 Decompression Logic via dangling filteredbuf pointer in initunpack CVE-2026-14164 Tenable has extracted the precedi...

RHEL 8 : kernel (RHSA-2026:54246)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:54246 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: udf: fix partition descriptor...

CVE-2026-48551: Cross-Site Request Forgery (CSRF)

Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 contain a cross-site request forgery protection bypass via a self-supplied double-submit cookie. An attacker can supply matching cookie and request parameter values to bypass CSRF protection, enabling unauthenticated attackers to run command...

Linux Distros Unpatched Vulnerability : CVE-2026-68263

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Fix double call to drmschedentityfini Call sequence of double call:...

AlmaLinux 8 : isns-utils (ALSA-2026:53848)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:53848 advisory. open-isns: open-iscsi: Denial of Service via double-free in iSNS attribute decoder CVE-2026-55995 Tenable has extracted the preceding description block directly...

Linux Distros Unpatched Vulnerability : CVE-2026-20338

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability in the zip archive parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This...

Linux Distros Unpatched Vulnerability : CVE-2026-18663

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path...

ALSA-2026:54247 Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: udf: fix partition descriptor append bookkeeping CVE-2026-45991 kernel: ice: fix double-free of txbuf skb CVE-2026-53009 For more...

Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: udf: fix partition descriptor append bookkeeping CVE-2026-45991 kernel: ice: fix double-free of txbuf skb CVE-2026-53009 For more...

Linux Distros Unpatched Vulnerability : CVE-2026-68150

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fs/super: fix emergency thaw double-unlock of sumount dothawall iterates over all superblocks via iteratesupers with SUPERITEREXCL, which acquires sumount...

AlmaLinux 9 : isns-utils (ALSA-2026:53847)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:53847 advisory. open-isns: open-iscsi: Denial of Service via double-free in iSNS attribute decoder CVE-2026-55995 Tenable has extracted the preceding description block directly...