OESA-2026-2670 gvfs security update

Gvfs is a userspace virtual filesystem implementation for GIO a library available in GLib. It comes with a set of backends, including trash support, SFTP, SMB, HTTP, DAV, and many others. Gvfs also contains modules for GIO that implement volume monitors and persistent metadata storage. Security...

USN-8426-1: Linux kernel (Azure) vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 It was discovered that the Linux kernel did n...

USN-8426-1 linux-azure-5.15, linux-azure-fips vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 It was discovered that the Linux kernel did n...

chromium -- security fixes

Chrome Releases reports: This update includes 33 security fixes: 516496659 Critical CVE-2026-12437: Use after free in WebShare. 516947912 Critical CVE-2026-12438: Inappropriate implementation in WebView. 519728275 Critical CVE-2026-12439: Use after free in Digital Credentials. 519731619 Critical...

Ubuntu 20.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-7922-2)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7922-2 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

Ubuntu 20.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-7795-2)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7795-2 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

Ubuntu 20.04 LTS : Linux kernel (Azure FIPS) vulnerabilities (USN-7939-2)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7939-2 advisory. Jean-Claude Graf, Sandro Regge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation betwee...

Ubuntu 20.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-7408-2)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7408-2 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

Ubuntu 20.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-7495-2)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7495-2 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

Ubuntu 20.04 LTS : Linux kernel (Azure FIPS) vulnerabilities (USN-8098-8)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8098-8 advisory. Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these...

Ubuntu 20.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-7461-2)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7461-2 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

CVE-2026-42305 Dulwich has an arbitrary file write via NTFS-hostile tree entries on Windows

Dulwich is a pure-Python implementation of the Git file formats and protocols. Versions starting with 0.10.0 and prior to 1.2.5 have an arbitrary file write leading to remote code execution when cloning or checking out a malicious Git repository on Windows. Dulwich's path-element validator accept...

CVE-2026-42305

Dulwich (pure-Python Git implementation) versions before 1.2.5 on Windows are vulnerable to an arbitrary file write via NTFS-hostile tree entries, causing remote code execution when cloning or checking out a malicious repository. Root cause: path-element validation allowed filenames that Windows ...

CVE-2026-44809

Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally...

CVE-2026-42828

Buffer over-read in Windows Projected File System Filter Driver allows an authorized attacker to elevate privileges locally...

CVE-2026-42837

Buffer over-read in Windows Projected File System Filter Driver allows an authorized attacker to elevate privileges locally...

CVE-2026-40409

Windows Universal Disk Format File System Driver UDFS Elevation of Privilege Vulnerability...

Improper Validation of Specified Quantity in Input

Overview Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input in the libnfszdrstring function in lib/libnfs-zdr.c when connecting to a specially crafted NFS server. An attacker can cause an integer overflow and potentially execute arbitrary code o...

CVE-2026-53689

libnfs through 6.0.2 before 55c18ea does not validate a string size, leading to an integer overflow during a connection to a crafted NFS server. This occurs in libnfszdrstring in lib/libnfs-zdr.c...

CVE-2026-53689

CVE-2026-53689 relates to libnfs up to 6.0.2 (before commit 55c18ea). The issue is that libnfs_zdr_string in lib/libnfs-zdr.c does not validate a string size, causing an integer overflow when connecting to a crafted NFS server. The CVSS data indicates network attacker, high impact to confidential...