6 security settings every GitHub maintainer should enable this week

At GitHub Security Lab, we spend a lot of our week talking to maintainers. Some find the settings page dense and the docs sprawl. Most maintainers we talk to weren't hired to be security engineers. While this is true, ignoring a project's security settings completely will lead into leaving a lot ...

CVE-2026-56368

A flaw was found in ImageMagick. This memory leak vulnerability exists in multiple coders that write raw pixel data, where allocated objects are not properly freed. A remote attacker can exploit this by processing specially crafted images, leading to memory exhaustion and a denial of service...

CVE-2026-56379

A flaw was found in ImageMagick. This command injection vulnerability in the SVG Scalable Vector Graphics decoder allows a remote attacker to craft malicious SVG files. When these files are processed, the injected Magick Vector Graphics MVG commands can execute, potentially leading to arbitrary...

CVE-2026-46302

A flaw was found in the Linux kernel's Security-Enhanced Linux SELinux policy handling. A local attacker could exploit this by opening the /sys/fs/selinux/policy file, which prevents other processes from accessing or reading the kernel's security policy. This could lead to a denial of service DoS...

UBUNTU-CVE-2026-46302

In the Linux kernel, the following vulnerability has been resolved: selinux: allow multiple opens of /sys/fs/selinux/policy Currently there can only be a single open of /sys/fs/selinux/policy at any time. This allows any process to block any other process from reading the kernel policy. The...

CVE-2026-46302

In the Linux kernel, the following vulnerability has been resolved: selinux: allow multiple opens of /sys/fs/selinux/policy Currently there can only be a single open of /sys/fs/selinux/policy at any time. This allows any process to block any other process from reading the kernel policy. The...

Unity Linux 20.1060e / 20.1070e Security Update: derby (UTSA-2026-016640)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016640 advisory. In Apache Derby 10.3.1.4 to 10.14.1.0, a specially-crafted network packet can be used to request the Derby Network Server to boot a database whose location and...

ROS-20260515-73-0049

A vulnerability in the ChromeDriver component of Google Chrome for Android browser is related to the use of an untrusted cross-domain policy file. Exploitation of the vulnerability could allow an attacker acting remotely to bypass existing security restrictions...

Updated polkit-122 packages fix security vulnerability

Polkit: xml policy file with a large number of nested elements may lead to out-of-bounds write. CVE-2025-7519...

USN-8173-1 policykit-1 vulnerabilities

It was discovered that polkit incorrectly handled nested elements in XML policy files. If an administrator were tricked into installing a malicious policy file, a remote attacker could possibly use this issue to cause polkit to crash, resulting in a denial of service. CVE-2025-7519 Pavel Kohout...

The vulnerability of the ChromeDriver component of the Google Chrome browser, which allows a hacker to circumvent existing security restrictions

The vulnerability of the ChromeDriver component of the Google Chrome browser for Android is related to the use of an untrusted intermediate policy file. Exploiting this vulnerability could allow a malicious actor to circumvent existing security restrictions remotely...

Stack-based Buffer Overflow

Overview Magick.NET-Q16-HDRI-x86 is a Magick.NET allows you can use ImageMagick without having to install ImageMagick on your server or desktop. More information about specific builds see the official docs https://github.com/dlemstra/Magick.NET/tree/main/docs Affected versions of this package are...

Use After Free

Overview Affected versions of this package are vulnerable to Use After Free in the MSL encoder, when destroying a cloned image. Workaround This vulnerability can be mitigated by disabling the vulnerable encoder by adding to the policy.xml file. Remediation A fix was pushed into the master branch...

Use After Free

Overview Magick.NET-Q16-OpenMP-arm64 is a Magick.NET allows you can use ImageMagick without having to install ImageMagick on your server or desktop. More information about specific builds see the official docs https://github.com/dlemstra/Magick.NET/tree/main/docs Affected versions of this package...

Use After Free

Overview Magick.NET-Q16-AnyCPU is a Magick.NET allows you can use ImageMagick without having to install ImageMagick on your server or desktop. More information about specific builds see the official docs https://github.com/dlemstra/Magick.NET/tree/main/docs Affected versions of this package are...

Use After Free

Overview Magick.NET-Q16-HDRI-AnyCPU is a Magick.NET allows you can use ImageMagick without having to install ImageMagick on your server or desktop. More information about specific builds see the official docs https://github.com/dlemstra/Magick.NET/tree/main/docs Affected versions of this package...

Use After Free

Overview Magick.NET-Q8-x64 is a Magick.NET allows you can use ImageMagick without having to install ImageMagick on your server or desktop. More information about specific builds see the official docs https://github.com/dlemstra/Magick.NET/tree/main/docs Affected versions of this package are...

Infinite loop

Overview Affected versions of this package are vulnerable to Infinite loop in the DecodeImage function when processing a PCD image file that lacks a valid Sync marker. An attacker can cause continuous CPU resource consumption and system resource exhaustion by submitting such a file. Workaround Th...

Infinite loop

Overview Magick.NET-Q16-HDRI-OpenMP-x64 is a Magick.NET allows you can use ImageMagick without having to install ImageMagick on your server or desktop. More information about specific builds see the official docs https://github.com/dlemstra/Magick.NET/tree/main/docs Affected versions of this...

Infinite loop

Overview Magick.NET-Q16-x64 is a Magick.NET allows you can use ImageMagick without having to install ImageMagick on your server or desktop. More information about specific builds see the official docs https://github.com/dlemstra/Magick.NET/tree/main/docs Affected versions of this package are...