CVE-2026-86095

A flaw was found in netcdf-c. An attacker can craft a malicious HDF5 Hierarchical Data Format 5 file with an oversized attribute name. When an application processes this file and attempts to enumerate attribute names, the oversized name can cause an out-of-bounds write, leading to memory corrupti...

AlmaLinux 9.2 [TuxCare] Security Update: expat / expat-devel / expat-static (ALMALINUX9.2:CLSA-2026:1779122132)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1779122132 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized...

CentOS Linux 8.4 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS8.4:CLSA-2026:1779183767)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1779183767 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized...

CentOS Linux 6 [TuxCare] Security Update: expat / expat-devel (CENTOS6:CLSA-2026:1779361284)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1779361284 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized craft...

CentOS Linux 8.5 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS8.5:CLSA-2026:1779184141)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1779184141 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized...

Rocky Linux 9.6 [TuxCare] Security Update: expat / expat-devel / expat-static (ALMALINUX9.6:CLSA-2026:1779130424)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779130424 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized...

AlmaLinux 9.6 [TuxCare] Security Update: expat / expat-devel / expat-static (ALMALINUX9.6:CLSA-2026:1779130424)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779130424 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized...

CentOS Linux 7 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS7:CLSA-2026:1779359397)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1779359397 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized craft...

CentOS Linux 8 [TuxCare] Security Update: expat / expat-devel / expat-static (CENTOS-STREAM8:CLSA-2026:1779183996)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1779183996 advisory. - In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately siz...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel before version 6.1.3, fs/ntfs3/inode.c does not validate the attribute name offset. A unhandled page fault may occur...

xmldom: Attribute name injection via setAttribute() bypasses requireWellFormed

Summary Element.setAttribute in @xmldom/xmldom bypasses attribute name validation by calling the private createAttributename method, which performs no validation. The public createAttribute method correctly validates names against an anchored QName pattern, but setAttribute never uses it. The...

GHSA-4W3W-2RP5-G8JM xmldom: Attribute name injection via setAttribute() bypasses requireWellFormed

Summary Element.setAttribute in @xmldom/xmldom bypasses attribute name validation by calling the private createAttributename method, which performs no validation. The public createAttribute method correctly validates names against an anchored QName pattern, but setAttribute never uses it. The...

CVE-2026-86095 Unidata netcdf-c through 4.10.1 Out-of-bounds Write via Oversized HDF5 Attribute Name

Unidata netcdf-c through 4.10.1 contains an out-of-bounds write vulnerability in NC4HDF5inqattname that copies HDF5 attribute names into a fixed 256-byte buffer without length validation. Attackers can craft HDF5 files with oversized attribute names to overflow the destination buffer, causing...

CVE-2026-83617 xmldom: requireWellFormed element/attribute name validation is bypassable via an embedded line terminator

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. From 0.9.11 until 0.9.12, the requireWellFormed: true element and attribute name checks use the anchored QNameexact expression produced by reg in lib/grammar.js, which inherits the multiline...

CVE-2026-83605

xmldom is a pure JavaScript W3C DOM Level 2 Core module. The vulnerability lies in Element.setAttribute() , which invokes the private _createAttribute(name) path without validating the attribute name against QName , unlike Document.createAttribute(). Because XMLSerializer.serializeToString() emit...

CVE-2026-83605 xmldom: Attribute name injection via setAttribute() bypasses requireWellFormed

xmldom is a pure JavaScript W3C standard-based XML DOM Level 2 Core DOMParser and XMLSerializer module. Prior to @xmldom/xmldom versions 0.8.14 and 0.9.11, and in xmldom version 0.6.0 and earlier, Element.setAttribute calls the private createAttributename path without validating the attribute nam...

PT-2026-84281

Name of the Vulnerable Software and Affected Versions xmldom versions 0.9.11 through 0.9.11 Description The requireWellFormed: true element and attribute name checks use an anchored QName exact expression produced by the reg function in lib/grammar.js that inherits the multiline flag. This allows...

JLSEC-2026-1223

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input...

EulerOS 2.0 SP13 : expat (EulerOS-SA-2026-3014)

According to the versions of the expat packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted X...

EulerOS 2.0 SP15 : expat (EulerOS-SA-2026-2923)

According to the versions of the expat packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted X...