PT-2026-52554

Name of the Vulnerable Software and Affected Versions Podman versions 1.8.1 through 5.8.4 Description A malicious container image can trick Podman into leaking host environment variables into the container. This occurs when an image contains an Env entry consisting of a key without a value...

CVE-2026-47110 Tiptap for PHP < 2.1.1 DoS via Malformed href Attribute

Tiptap for PHP before version 2.1.1 contains an input validation vulnerability that allows authenticated attackers to cause a denial of service by submitting Tiptap JSON with the attrs.href field set to an array instead of a string, causing an unhandled TypeError in the Link::isAllowedUri functio...

CVE-2026-47110 Tiptap for PHP < 2.1.1 DoS via Malformed href Attribute

Tiptap for PHP before version 2.1.1 contains an input validation vulnerability that allows authenticated attackers to cause a denial of service by submitting Tiptap JSON with the attrs.href field set to an array instead of a string, causing an unhandled TypeError in the Link::isAllowedUri functio...

CVE-2026-47110

Tiptap for PHP before version 2.1.1 contains an input validation vulnerability: if attrs.href is submitted as an array in Tiptap JSON, Link::isAllowedUri() can trigger an unhandled TypeError during preg_match(), crashing the server-side HTML rendering pipeline for all subsequent viewers of that r...

CVE-2026-47110 Tiptap for PHP < 2.1.1 DoS via Malformed href Attribute

Tiptap for PHP before version 2.1.1 contains an input validation vulnerability that allows authenticated attackers to cause a denial of service by submitting Tiptap JSON with the attrs.href field set to an array instead of a string, causing an unhandled TypeError in the Link::isAllowedUri functio...

CVE-2026-50129

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.11, 4.4.18, and 4.3.24, a DoS can be triggered by Uncaught Exception vulerability, due to missing exception handling in the math sanitizer. Malformed nodes can result in a DoS of a whole server or targeted...

CVE-2026-52914

A flaw was found in the Linux kernel's batman-adv component. This vulnerability allows a local attacker to cause a denial of service DoS by sending malformed fragment chains. The flaw is due to incorrect accounting of fragment reassembly length, which can be truncated during updates, bypassing...

CVE-2026-50129 Mastodon: Persistent anonymous DoS via unhandled NoMethodError in MATH_TRANSFORMER

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.11, 4.4.18, and 4.3.24, a DoS can be triggered by Uncaught Exception vulerability, due to missing exception handling in the math sanitizer. Malformed nodes can result in a DoS of a whole server or targeted...

CVE-2026-50129

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.11, 4.4.18, and 4.3.24, a DoS can be triggered by Uncaught Exception vulerability, due to missing exception handling in the math sanitizer. Malformed nodes can result in a DoS of a whole server or targeted...

CVE-2026-50129

CVE-2026-50129 affects Mastodon before versions 4.5.11, 4.4.18, and 4.3.24. The issue is a DoS caused by an uncaught exception in the math sanitizer’s MATH_TRANSFORMER due to missing exception handling; malformed nodes can crash the server or disrupt services depending on the action and interact...

CVE-2026-50129 Mastodon: Persistent anonymous DoS via unhandled NoMethodError in MATH_TRANSFORMER

Mastodon is a free, open-source social network server based on ActivityPub. Prior to 4.5.11, 4.4.18, and 4.3.24, a DoS can be triggered by Uncaught Exception vulerability, due to missing exception handling in the math sanitizer. Malformed nodes can result in a DoS of a whole server or targeted...

Astra Linux – Vulnerability in libssh

A flaw was discovered in libssh, where a malicious SFTP SSH File Transfer Protocol server can exploit this by sending a malformed ‘longname’ field within an SSHFXPNAME message during a file listing operation. This missing null check can lead to reading beyond the allocated memory on the heap. Thi...

Astra Linux – Vulnerability in Python 3.11

Python-Markdown version 3.8 contains a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an unhandled AssertionError during Markdown parsing. Since Python-Markdown does not catch this exception, any application that processes Markdown controlled by...

Astra Linux – Vulnerability in xwayland, xorg-server

A flaw was discovered in the X.Org X server. This vulnerability, an out-of-bounds read, affects the handling of XKB X Keyboard Extension modifier maps. An attacker with access to the X11 server can exploit this by sending a malformed request, causing the server to read beyond its intended memory...

Astra Linux – Vulnerability in Python-APT

Dereferencing a NULL pointer in TagSection.keys in Python-apt on APT-based Linux systems allows a local attacker to cause a denial of service process crash through a crafted deb822 file containing malformed non-UTF-8 keys...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: check the return value of indxfind to avoid infinite loops We have identified a bug in the ntfs3 file system that can lead to a Denial-of-Service DoS condition. A malformed dentry in the ntfs3 filesystem can cause the...

Astra Linux – Vulnerability in gdcm

There is a out-of-bounds write vulnerability in the Grassroots DICOM library GDCM. This issue occurs during the parsing of a malformed DICOM file that contains encapsulated PixelData fragments—compressed image data stored as multiple fragments. This vulnerability causes a segmentation fault due t...

google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation

A flaw was found in gRPC-Go, the Go language implementation of gRPC. This vulnerability, an authorization bypass, is caused by improper input validation of the HTTP/2 :path pseudo-header. A remote attacker can exploit this by sending raw HTTP/2 frames with a malformed :path that omits the mandato...

CVE-2026-56761

hono before 4.12.14 contains an html injection vulnerability in jsx server-side rendering that allows attackers to inject unintended html by using malformed attribute names. Attackers can craft specially crafted attribute keys containing characters like quotes or angle brackets to break html tag...

RLSA-2026:28231 Moderate: opencryptoki security update

The opencryptoki packages contain version 2.11 of the PKCS11 API, implemented for IBM Cryptocards, such as IBM 4764 and 4765 crypto cards. These packages includes support for the IBM 4758 Cryptographic CoProcessor with the PKCS11 firmware loaded, the IBM eServer Cryptographic Accelerator FC 4960 ...