USN-8421-1: Ironic vulnerabilities

Dmitry Tantsur and Tuomo Tanskanen discovered that Ironic did not properly validate file paths when handling ISO images. A privileged authenticated remote user could use this issue to perform path traversal via a crafted ISO image and overwrite arbitrary files on the Ironic conductor...

CVE-2026-48681

A flaw was found in OpenStack Ironic before 35.0.2. A directory traversal vulnerability during deployment allows an attacker to overwrite files on the system when a crafted ISO image is used. This can compromise confidentiality and integrity of files on the deployment target...

isofs: validate Rock Ridge CE continuation extent against volume size

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UBUNTU-CVE-2026-46303

In the Linux kernel, the following vulnerability has been resolved: isofs: validate Rock Ridge CE continuation extent against volume size rockcontinue reads rs-contextent verbatim from the Rock Ridge CE record and passes it to sbbread without checking that the block number is within the mounted I...

EUVD-2026-35168

In the Linux kernel, the following vulnerability has been resolved: isofs: validate Rock Ridge CE continuation extent against volume size rockcontinue reads rs-contextent verbatim from the Rock Ridge CE record and passes it to sbbread without checking that the block number is within the mounted I...

CVE-2026-46303 isofs: validate Rock Ridge CE continuation extent against volume size

In the Linux kernel, the following vulnerability has been resolved: isofs: validate Rock Ridge CE continuation extent against volume size rockcontinue reads rs-contextent verbatim from the Rock Ridge CE record and passes it to sbbread without checking that the block number is within the mounted I...

CVE-2026-46303

The CVE-2026-46303 vulnerability affects the Linux kernel isofs Rock Ridge CE handling. rock_continue() could use rs->cont_extent without validating the block number, allowing potential reads of data from an adjacent filesystem via sb_bread() on crafted ISO mounts. The issue was addressed by p...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by 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 lack of verification of volume sizes during the Rock Ridge CE extension in isofs. This...

CVE-2026-37535

openxc/isotp-c thru commit 5a5d19245f65189202719321facd49ce6f5d46ac 2021-08-09 contains an out-of-bounds read in the ISO-TP Single Frame receive handler, where the 4-bit payload length nibble is used directly as the memcpy size without validating it against the actual CAN data length. A malicious...

CVE-2026-8143

The HBook plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'hbcountryiso', 'hbusastateiso', and 'hbcanadaprovinceiso' parameters in all versions up to, and including, 2.1.6 due to insufficient input sanitization and output escaping. This makes it possible for...

GHSA-9V62-QX4C-44X5 OpenStack Ironic allows file overwrite via directory traversal during deployment with a crafted ISO image

OpenStack Ironic through before 35.0.2 allows file overwrite via directory traversal during deployment with a crafted ISO image...

CVE-2026-48681

OpenStack Ironic versions before 35.0.2 are affected by a vulnerability that allows file overwrite via directory traversal during deployment when processing a crafted ISO image. The issue concerns the deployment phase’s handling of ISO content, enabling unintended filesystem writes. Public source...

Directory Traversal

Overview ironic is an OpenStack Bare Metal Provisioning Affected versions of this package are vulnerable to Directory Traversal via the deployment process when handling a crafted ISO image. An attacker can read or modify files on the target system by supplying attacker-controlled ISO content duri...

PT-2026-46139

Name of the Vulnerable Software and Affected Versions OpenStack Ironic versions prior to 35.0.2 Description An issue exists where a crafted ISO image can lead to file overwrite via directory traversal during the deployment process. Directory traversal is a technique that allows an attacker to...

PT-2026-58957

OpenStack Ironic through before 35.0.2 allows file overwrite via directory traversal during deployment with a crafted ISO image...

CVE-2026-48681

OpenStack Ironic through before 35.0.2 allows file overwrite via directory traversal during deployment with a crafted ISO image...

EUVD-2026-34203

OpenStack Ironic through before 35.0.2 allows file overwrite via directory traversal during deployment with a crafted ISO image...

CVE-2026-48681

OpenStack Ironic through before 35.0.2 allows file overwrite via directory traversal during deployment with a crafted ISO image...

CVE-2026-48681: Relative Path Traversal

OpenStack Ironic through before 35.0.2 allows file overwrite via directory traversal during deployment with a crafted ISO image...

CVE-2026-7259

A flaw was found in PHP. When an attacker input can influence the encoding passed to mbregexencoding and the application subsequently uses mbregex search APIs, a NULL pointer dereference can occur due to a mismatch between the Oniguruma and mbfl encoding support. This issue can cause a crash in t...