CVE-2026-23398 icmp: fix NULL pointer dereference in icmp_tag_validation()

In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse -- only about 15 of 256...

CVE-2026-23398

In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse -- only about 15 of 256...

CVE-2026-23398

CVE-2026-23398 — Linux kernel icmp_tag_validation NULL pointer dereference has concrete details in the provided documents. The vulnerability occurs when icmp_tag_validation() dereferences inet_protos[proto] without a NULL check for an unregistered protocol number in an ICMP Fragmentation Needed p...

CVE-2026-23398

In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse -- only about 15 of 256...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the unconditional dereferencing of a null pointer in the icmptagvalidation function, potentially...

EUVD-2026-12094

xmlseclibs: Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption...

GHSA-4V26-V6CG-G6F9 xmlseclibs: Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption

Summary XML nodes encrypted with either aes-128-gcm, aes-192-gcm, or aes-256-gcm lack validation of the authentication tag length. An attacker can use this to brute-force an authentication tag, recover the GHASH key, and decrypt the encrypted nodes. It also allows to forge arbitrary ciphertexts...

CVE-2026-32600 xml-security is Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption

xml-security is a library that implements XML signatures and encryption. Prior to versions 2.3.1 and 1.13.9, XML nodes encrypted with either aes-128-gcm, aes-192-gcm, or aes-256-gcm lack validation of the authentication tag length. An attacker can use this to brute-force an authentication tag,...

CVE-2026-32600

XML-Security library (xml-security) is affected in versions prior to 2.3.1 and 1.13.9 where AES-GCM encrypted XML nodes do not validate the authentication tag length. This can allow an attacker to brute-force the authentication tag, recover the GHASH key, decrypt encrypted nodes, and forge cipher...

CVE-2026-32313 xmlseclibs is Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption

xmlseclibs is a library written in PHP for working with XML Encryption and Signatures. Prior to 3.1.5, XML nodes encrypted with either aes-128-gcm, aes-192-gcm, or aes-256-gcm lack validation of the authentication tag length. An attacker can use this to brute-force an authentication tag, recover...

CVE-2026-32313 xmlseclibs is Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption

xmlseclibs is a library written in PHP for working with XML Encryption and Signatures. Prior to 3.1.5, XML nodes encrypted with either aes-128-gcm, aes-192-gcm, or aes-256-gcm lack validation of the authentication tag length. An attacker can use this to brute-force an authentication tag, recover...

CVE-2026-32313

CVE-2026-32313 affects the PHP library xmlseclibs (XML Encryption/Signatures). Prior to version 3.1.5, nodes encrypted with AES-128/192/256-GCM lack validation of the authentication tag length, enabling an attacker to brute-force the tag, recover the GHASH key, and decrypt encrypted nodes. The vu...

CVE-2026-27122

svelte performance oriented web framework. Prior to 5.51.5, when using in server-side rendering, the provided tag name is not validated or sanitized before being emitted into the HTML output. If the tag string contains unexpected characters, it can result in HTML injection in the SSR output...

openmls has improper tag validation

Membership and confirmation tags may not be checked correctly due to a missing length check. Any tag that is shorter than the expected tag, but matches up to its length, as well as any empty tag is considered valid. Impact The vulnerability affects a secondary authentication guarantee that MLS...

CVE-2025-15545

The backup restore function does not properly validate unexpected or unrecognized tags within the backup file. When such a crafted file is restored, the injected tag is interpreted by a shell, allowing execution of arbitrary commands with root privileges. Successful exploitation allows the attack...

EUVD-2025-206536

The backup restore function does not properly validate unexpected or unrecognized tags within the backup file. When such a crafted file is restored, the injected tag is interpreted by a shell, allowing execution of arbitrary commands with root privileges. Successful exploitation allows the attack...

Mattermost security vulnerabilities

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Versions of Mattermost 10.11.8 and earlier, including 10.11.x, have a security vulnerability. This vulnerability stems from the lack of input validation before processing topic tags, which may allow...

iccDEV security vulnerability

iccDEV is an open source color configuration code library from the International Color Consortium ICC. A security vulnerability exists in iccDEV versions prior to 2.3.1.2, which stems from a heap buffer overflow in the CIccTagLut8::Validate function, which could lead to a heap buffer overflow...

PT-2026-1505

Name of the Vulnerable Software and Affected Versions iccDEV versions prior to 2.3.1.2 Description iccDEV is a set of libraries and tools for interacting with International Color Consortium ICC color management profiles. A flaw exists in versions prior to 2.3.1.2 that can lead to a heap buffer...

Important: qt5-qtdeclarative

Issue Overview: Allocation of Resources Without Limits or Throttling, Improper Validation of Specified Quantity in Input vulnerability in The Qt Company Qt on Windows, MacOS, Linux, iOS, Android, x86, ARM, 64 bit, 32 bit allows Excessive Allocation. This issue affects users of the Text component ...