USN-8306-1 samba vulnerabilities

Asim Viladi Oglu Manizada discovered that Samba incorrectly handled access checks on reparse point operations. An attacker could possibly use this issue to modify reparse point extended attributes on files that should have been read-only. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS...

USN-8306-1: Samba vulnerabilities

Asim Viladi Oglu Manizada discovered that Samba incorrectly handled access checks on reparse point operations. An attacker could possibly use this issue to modify reparse point extended attributes on files that should have been read-only. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS...

Security update for samba

This update for samba fixes the following issues Security issues: CVE-2026-1933: Missing access check on reparse point operations bsc1261188. CVE-2026-2340: vfsworm does not block directory modification bsc1261158. CVE-2026-3012: group policy certificate enrollment uses http: // without validatio...

UBUNTU-CVE-2026-1933

A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-onl...

CVE-2026-1933

A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-onl...

PT-2026-43439

Name of the Vulnerable Software and Affected Versions ctdb versions prior to 4.23.8+git.477.f78166bceed-1.1 Description A denial of service issue exists against the AD DC WINS server. Recommendations Update to version 4.23.8+git.477.f78166bceed-1.1...

PT-2026-43437

Name of the Vulnerable Software and Affected Versions Samba affected versions not specified Description A flaw exists in the vfs worm module, which is designed to provide write-once, read-many WORM protections by preventing file modifications after a specific grace period. Due to insufficient...

PT-2026-43438

Name of the Vulnerable Software and Affected Versions Samba affected versions not specified Description A flaw exists in the handling of certificate auto-enrollment Group Policy. When this feature is enabled, Samba may retrieve a CA certificate via an unencrypted HTTP connection and install it in...

PT-2026-43436

Name of the Vulnerable Software and Affected Versions Samba affected versions not specified Description A flaw exists in the handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users who possess underlying filesyst...

📄 Windows Cloud Files Tiering Engine Local Privilege Escalation

his Metasploit local exploit module models a Windows privilege escalation scenario involving Cloud Files, NTFS reparse points, named pipes, and service interaction. The workflow simulates abusing file system operations and cloud sync mechanisms by creating controlled directories, placeholder file...

CVE-2026-31641

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix RxGK token loading to check bounds rxrpcpreparsexdryfsrxgk reads the raw key length and ticket length from the XDR token as u32 values and passes each through roundupx, 4 before using the rounded value for validation a...

CLSA-2026-1776440644 expat: Fix of 4 CVEs

CVE-2017-9233: fix external entity infinite loop in entityValueInitProcessor and entityValueProcessor - CVE-2023-52425: add reparse deferral heuristic to prevent On^2 parsing of large tokens in small buffer refills; fix buffer growth calculation - CVE-2013-0340: add billion laughs entity...

CLSA-2026-1776776980 Fix CVE(s): CVE-2023-52425

SECURITY UPDATE: quadratic re-parsing DoS with large tokens - debian/patches/CVE-2023-52425.patch: add callProcessor wrapper with reparse deferral heuristic in expat/lib/xmlparse.c, add XMLSetReparseDeferralEnabled API in expat/lib/expat.h. - CVE-2023-52425...

CLSA-2026-1776441540 expat: Fix of 4 CVEs

CVE-2017-9233: fix external entity infinite loop in entityValueInitProcessor and entityValueProcessor - CVE-2023-52425: add reparse deferral heuristic to prevent On^2 parsing of large tokens in small buffer refills; fix buffer growth calculation - CVE-2013-0340: add billion laughs entity...

GHSA-R758-8HXW-4845 justhtml: Mutation XSS with custom foreign-namespace sanitization policies

Summary A parser-differential / mutation XSS issue was found in justhtml when using a custom sanitization policy that preserves foreign namespaces such as SVG or MathML. Under these custom settings, specially crafted input could sanitize into HTML that looked safe at first, but became unsafe when...

EUVD-2026-9822

Avira Internet Security contains a time-of-check time-of-use TOCTOU vulnerability in the Optimizer component. A privileged service running as SYSTEM identifies directories for cleanup during a scan phase and subsequently deletes them during a separate cleanup phase without revalidating the target...

CVE-2026-27748

Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\ProgramData without validating whether the path resolves through a symbolic link or reparse point...

CVE-2026-27748 Avira Internet Security Arbitrary File Deletion via Improper Link Resolution

Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\ProgramData without validating whether the path resolves through a symbolic link or reparse point...

Azure Linux 3.0 Security Update: kernel (CVE-2024-49996)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-49996 advisory. - In the Linux kernel, the following vulnerability has been resolved: cifs: Fix buffer overflow when parsing N...

CVE-2025-61037

A local privilege escalation vulnerability exists in SevenCs ORCA G2 2.0.1.35 EC2007 Kernel v5.22. The flaw is a Time-of-Check Time-of-Use TOCTOU race condition in the license management logic. The regService process, which runs with SYSTEM privileges, creates a fixed directory and writes files...