Unity Linux 20.1070e Security Update: screen (UTSA-2026-005208)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005208 advisory. Screen version 5.0.0 and older version 4 releases have a TOCTOU race potentially allowing to send SIGHUP, SIGCONT to privileged processes when installed setuid-root...

varstored: TOCTOU issues with mapped guest memory

ISSUE DESCRIPTION varstored is a component of the Xapi toolstack handling UEFI Variables for a VM. It has a communication path with OVMF inside the VM involving mapping a buffer prepared by OVMF. Within varstored, there were insufficient compiler barriers, creating TOCTOU issues with data in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: Prevents parser TCAM memory corruption. The TCAM and SRAM memories, as well as the cached shadow SRAM information, must be protected from concurrent modifications. Both the TCAM and SRAM tables are indirectly accessed...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: vsock: Fixed the transport TOCTOU issue. The transport assignment may race with module unloading. This issue is addressed by protecting newtransport from becoming a stale pointer. This also includes fixing an insecure call in...

CVE-2026-22281

Dell PowerScale OneFS, versions 9.5.0.0 through 9.5.1.5, versions 9.6.0.0 through 9.7.1.10, versions 9.8.0.0 through 9.10.1.3, versions starting from 9.11.0.0 and prior to 9.13.0.0, contains a Time-of-check Time-of-use TOCTOU race condition vulnerability. A low privileged attacker with adjacent...

CVE-2025-67124

A TOCTOU and symlink race in svenstaro/miniserve 0.32.0 upload finalization when uploads are enabled can allow an attacker to overwrite arbitrary files outside the intended upload/document root in deployments where the attacker can create/replace filesystem entries in the upload destination...

CVE-2025-67124

A TOCTOU and symlink race in svenstaro/miniserve 0.32.0 upload finalization when uploads are enabled can allow an attacker to overwrite arbitrary files outside the intended upload/document root in deployments where the attacker can create/replace filesystem entries in the upload destination...

EUVD-2026-4261

A TOCTOU and symlink race in svenstaro/miniserve 0.32.0 upload finalization when uploads are enabled can allow an attacker to overwrite arbitrary files outside the intended upload/document root in deployments where the attacker can create/replace filesystem entries in the upload destination...

CVE-2025-67124

The CVE-2025-67124 entry concerns a TOCTOU and symlink race in miniserve 0.32.0 during upload finalization. The vulnerability can let an attacker overwrite arbitrary files outside the intended upload/document root in deployments where the attacker can create or replace filesystem entries in the u...

CVE-2026-23988 Rufus has Local Privilege Escalation via TOCTOU Race Condition in Fido Script Handling

Rufus is a utility that helps format and create bootable USB flash drives. Versions 4.11 and below contain a race condition TOCTOU in src/net.c during the creation, validation, and execution of the Fido PowerShell script. Since Rufus runs with elevated privileges Administrator but writes the scri...

CVE-2026-22281

Dell PowerScale OneFS, versions 9.5.0.0 through 9.5.1.5, versions 9.6.0.0 through 9.7.1.10, versions 9.8.0.0 through 9.10.1.3, versions starting from 9.11.0.0 and prior to 9.13.0.0, contains a Time-of-check Time-of-use TOCTOU race condition vulnerability. A low privileged attacker with adjacent...

CVE-2026-22281

Dell PowerScale OneFS is affected by a TOCTOU race condition vulnerability (CVE-2026-22281) that can lead to denial of service. Affected versions are 9.5.0.0–9.5.1.5, 9.6.0.0–9.7.1.10, 9.8.0.0–9.10.1.3, and 9.11.0.0–9.12.x (prior to 9.13.0.0). The condition arises from synchronization errors when...

CVE-2026-22281

Dell PowerScale OneFS, versions 9.5.0.0 through 9.5.1.5, versions 9.6.0.0 through 9.7.1.10, versions 9.8.0.0 through 9.10.1.3, versions starting from 9.11.0.0 and prior to 9.13.0.0, contains a Time-of-check Time-of-use TOCTOU race condition vulnerability. A low privileged attacker with adjacent...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition via the validateTokenReuse method in the TokenManager class. ...

CVE-2026-21912

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in the method to collect FPC Ethernet firmware statistics of Juniper Networks Junos OS on MX10k Series allows a local, low-privileged attacker executing the 'show system firmware' CLI command to cause an LC480 or LC2101 line card to...

Security Bulletin: Multiple security vulnerabilities in Go affects IBM Robotic Process Automation for Cloud Pak

Summary Multiple security vulnerabilities in Go affects IBM Robotic Process Automation for Cloud Pak. Go is used by IBM Robotic Process Automation for Cloud Pak as part of its deployment. This bulletin identifies the fixes required to resolve the vulnerabilities. Vulnerability Details...

hwmon: (w83791d) Convert macros to functions to avoid TOCTOU

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Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004277)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004277 advisory. A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impac...

CVE-2026-21912

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in the method to collect FPC Ethernet firmware statistics of Juniper Networks Junos OS on MX10k Series allows a local, low-privileged attacker executing the 'show system firmware' CLI command to cause an LC480 or LC2101 line card to...

CVE-2026-21912

A Time-of-check Time-of-use TOCTOU Race Condition vulnerability in the method to collect FPC Ethernet firmware statistics of Juniper Networks Junos OS on MX10k Series allows a local, low-privileged attacker executing the 'show system firmware' CLI command to cause an LC480 or LC2101 line card to...