RLSA-2026:49921 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component CVE-2026-15718 firefox: thunderbird: Mitigation...

thunderbird security update

An update is available for thunderbird. 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 Mozilla Thunderbird is a standalone mail and newsgroup client. Security...

RLSA-2026:49922 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component CVE-2026-15718 firefox: thunderbird: Mitigation...

thunderbird security update

An update is available for thunderbird. 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 Mozilla Thunderbird is a standalone mail and newsgroup client. Security...

PT-2026-68444

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description The system fails to properly validate authentication requests when using Email OTP, SMS OTP, or Magic Link as first-factor authenticators, which prevents the...

PT-2026-68631

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description In multi-tenant deployments, the Publisher REST APIs fail to enforce tenant isolation correctly. This allows a privileged user in one tenant to perform operation...

PT-2026-68698

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 151.0.7922.109 Description Insufficient validation of untrusted input in Workers allows a remote attacker who has compromised the renderer process to bypass site isolation through the use of a crafted HTML page...

CVE-2025-14561: Improper Access Control

In multi-tenant deployments, the Publisher REST APIs fail to enforce tenant isolation correctly. This allows a user in one tenant, possessing sufficient privileges to invoke these APIs, to perform operations that impact other tenants. The vulnerability allows a privileged user to perform publishe...

CVE-2026-19153: Improper Input Validation

Insufficient validation of untrusted input in Workers in Google Chrome prior to 151.0.7922.109 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. Chromium security severity: High...

CVE-2025-13909: Exposure of Sensitive Information to an Unauthorized Actor

The system accepts authentication requests without sufficient validation to enforce tenant isolation when using Email OTP, SMS OTP, or Magic Link as first-factor authenticators. This failure to adequately separate user data between tenants can lead to the exposure of personally identifiable...

CVE-2026-71325: Improper Isolation or Compartmentalization

Traefik is an open-source edge router that makes publishing services a fun and easy experience. Prior to 2.11.54, 3.6.25, and 3.7.10, cross-namespace @kubernetescrd references are not rejected for TraefikService backend references resolved by the service resolver. A tenant confined by RBAC to a...

kernel security, bug fix, and enhancement update

4.18.0-553.153.1 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

The vulnerability of the Site Isolation component in Google Chrome and Microsoft Edge web browsers allows a hacker to trigger a service failure.

The vulnerability of the Site Isolation component in Google Chrome and Microsoft Edge relates to insufficient validation of input data. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

The vulnerability of the rds_conn_shutdown() function in the net/rds/connection.c module, which is part of the Linux kernel’s networking functions, allows a hacker to cause a service failure.

The vulnerability of the rdsconnshutdown function in the net/rds/connection.c module, which is part of the Linux kernel’s networking functions, is related to deficiencies in the isolation of the controlled system area. Exploiting this vulnerability could allow a malicious actor to cause service...

Important: kernel-rt security, bug fix, and enhancement 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: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation CVE-2025-54518 Bug Fixes and Enhancements: Kernel...

TencentOS Server 4: firefox (TSSA-2026:0788)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0788 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

AlmaLinux 10 : firefox (ALSA-2026:47101)

The remote AlmaLinux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:47101 advisory. firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript:...

RockyLinux 9 : thunderbird (RLSA-2026:49921)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:49921 advisory. firefox: thunderbird: Site isolation issue in the DOM: Navigation component CVE-2026-15719 firefox: thunderbird: Invalid pointer in the JavaScript:...

JLSEC-2026-1164 Deno: `fetch()` API sandbox bypass via missing DNS resolution check

Summary When fetch was called, Deno checked the destination hostname against --deny-net rules but did not re-check the IP addresses that hostname resolved to. An attacker-controlled script could use a specially crafted domain name that passes the hostname check yet resolves to a denied IP,...

JLSEC-2026-1165 Deno: WebSocket API sandbox bypass via missing post-DNS check

Summary When a WebSocket connection was opened, Deno checked the destination hostname against --deny-net rules but did not re-check the IP addresses that hostname resolved to. An attacker-controlled script could use a specially crafted domain name that passes the hostname check yet resolves to a...