Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : LibVNCServer vulnerability (USN-8494-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8494-1 advisory. It was discovered that LibVNCServer incorrectly handled the Tight decoder in libvncclient. A remote attacker could use this issue ...

UBUNTU-CVE-2026-37106

An issue in DokuWiki 2025-05-14b "Librarian" 56.2 allows a remote attacker to create an account via the register function in inc/auth.php. NOTE: this is disputed by the Supplier because this is the intentional behavior when the product is configured for self-registration a non-default feature. Th...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : cpp-httplib vulnerability (USN-8470-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8470-1 advisory. It was discovered that cpp-httplib incorrectly percent-decoded HTTP request header values. A remote attacker could use this to...

UBUNTU-CVE-2026-57437

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri::XML::XPathContext did not keep its source document alive for garbage collection. If an XPathContext outlived its document and the document was collected, evaluating an XPath expression...

UBUNTU-CVE-2026-52976

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix error cleanup in xeexecqueuecreateioctl Two error handling issues exist in xeexecqueuecreateioctl: 1. When xehwenginegroupaddexecqueue fails, the error path jumps to putexecqueue which skips xeexecqueuekill. If the VM...

UBUNTU-CVE-2026-50023

yt-dlp is a command-line audio/video downloader. Prior to 2026.06.09, a vulnerability exists in yt-dlp that allows a remote attacker to write arbitrary OS-shortcut files such as .desktop, .url, .webloc to the user's filesystem, bypassing the remediation for CVE-2024-38519. The allowlist explicitl...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : MySQL vulnerabilities (USN-8457-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8457-1 advisory. It was discovered that MySQL Router incorrectly handled repeated TLS protocol upgrade requests. An unauthenticated remote...

UBUNTU-CVE-2026-53550

js-yaml is a JavaScript YAML parser and dumper. Prior to 4.2.0 and 3.15.0, a crafted YAML document can trigger algorithmic CPU exhaustion in js-yaml merge-key processing by repeating the same alias many times in a merge sequence. This causes quadratic parse-time behavior relative to input size an...

UBUNTU-CVE-2026-56412

libexpat before 2.8.2 does not consider XMLTOKDATACHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219...

UBUNTU-CVE-2026-56405

libexpat before 2.8.2 has an integer overflow in getAttributeId...

UBUNTU-CVE-2026-9265

Crypt::OpenSSL::PKCS12 versions before 1.96 for Perl permits a heap OOB read in printattribute UTF8STRING path. printattribute copies a UTF8STRING ASN.1 attribute value into a heap buffer sized exactly to its declared length via strncpy, leaving no NUL terminator. Downstream callers run strlen on...

UBUNTU-CVE-2026-44688

In Eclipse Theia versions prior to 1.71.0, the AI chat agent processed workspace file and directory names as part of its prompt context without distinguishing them from system instructions. An attacker could craft a malicious repository with adversarial directory or file names that, when analyzed...

UBUNTU-CVE-2026-46863

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL component: Server: Connection Handling. Supported versions that are affected are MySQL Server: 8.4.0-8.4.9, 9.0.0-9.7.0; MySQL Cluster: 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows...

UBUNTU-CVE-2026-55202

Tinyproxy through 1.11.3, fixed in commit 09312a1, fails to properly validate the Host header during stathost detection, allowing unauthenticated attackers to access the stats page by injecting a matching Host header or bypass detection via port manipulation. Remote attackers can trigger...

UBUNTU-CVE-2026-48822

Shaarli is a personal bookmarking service. Versions 0.16.1 and prior contain a stored Cross-Site Scripting XSS vulnerability in the Markdown-to-HTML conversion process used in the Bookmark Description field. An authenticated user can inject a malicious javascript: URI inside a Markdown link. The...

UBUNTU-CVE-2026-48779

ws is an open source WebSocket client and server for Node.js. All versions from 1.1.0 up to but not including 5.2.5, from 6.0.0 up to 6.2.4, from 7.0.0 up to 7.5.11, and from 8.0.0 up to 8.21.0 are affected by a memory exhaustion DoS vulnerability. A peer can send a high volume of exceptionally...

UBUNTU-CVE-2026-46974

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization component: Core. The supported version that is affected is 7.2.8. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Nova vulnerability (USN-8434-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8434-1 advisory. It was discovered that Nova did not strip internal nova-prefixed scheduler hints supplied by users on instance creation. An attack...

Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : ADSys vulnerabilities (USN-8430-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8430-1 advisory. It was discovered that ADSys did not properly handle certain HTTP/2 frames. A remote attacker could possibly...

UBUNTU-CVE-2026-54411

Linux-PAM through 1.7.2 contains an observable timing discrepancy CWE-208 in the pamuserdb module's plaintext-password comparison path in modules/pamuserdb/pamuserdb.c that allows a local or network-adjacent attacker able to repeatedly drive authentication through a calling service to recover the...