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.

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PT-2026-39722

Name of the Vulnerable Software and Affected Versions Python affected versions not specified Description The xml.parsers.expat and xml.etree.ElementTree modules use insufficient entropy for Expat hash-flooding protection. This allows a specially crafted XML document to trigger hash flooding, a...

EUVD-2026-28985

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...

ALPINE-CVE-2026-45186

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...

CVE-2026-45186

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...

AZL-86340 CVE-2026-45186 affecting package expat for versions less than 2.8.2-1

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...

UBUNTU-CVE-2026-45186

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...

CVE-2026-45186

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...

CVE-2026-45186

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...

CVE-2026-45186

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...

CVE-2026-45186

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...

CVE-2026-45186

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...

CVE-2026-45186

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...

CVE-2026-45186

CVE-2026-45186 affects libexpat prior to 2.8.1, where the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input. The NVD entry reports a high impact on availability (CVSS: 7.5) with network attack vector and no privileges. Pu...

CVE-2026-45186

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...

Linux Distros Unpatched Vulnerability : CVE-2026-45186

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

libexpat 安全漏洞

libexpat is a streaming XML parser written in C language by the libexpat team. Versions of libexpat prior to 2.8.1 had security vulnerabilities, which stemmed from the computational complexity of attribute name conflict checks. These vulnerabilities could potentially lead to denial-of-service...

openSUSE 16 Security Update : mozjs128 (openSUSE-SU-2026:20674-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20674-1 advisory. - CVE-2026-32776: libexpat: NULL pointer dereference when processing empty external parameter entities inside an entity declaration value...

SUSE SLES15 Security Update : mozjs52 (SUSE-SU-2026:1742-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1742-1 advisory. This update for mozjs52 fixes the following issues - CVE-2026-32776: libexpat: NULL pointer dereference when processing empty external paramete...

CVE-2026-45186: Inefficient Algorithmic Complexity

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...