libexpat before 2.8.2 has an integer overflow in getAttributeId.

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CVE-2026-56405

A flaw was found in libexpat. An integer overflow vulnerability exists within the getAttributeId function. This flaw could allow an attacker to potentially disclose sensitive information or execute arbitrary code, leading to a compromise of the system's integrity and confidentiality. Mitigation T...

Integer Overflow or Wraparound

Overview Affected versions of this package are vulnerable to Integer Overflow or Wraparound via the getAttributeId function. An attacker can cause memory corruption or execute arbitrary code by providing specially crafted input that triggers an integer overflow. Remediation A fix was pushed into...

ALPINE-CVE-2026-56405

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

EUVD-2026-38182

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

CVE-2026-56405

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

CVE-2026-56405

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

Linux Distros Unpatched Vulnerability : CVE-2026-56405

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libexpat before 2.8.2 has an integer overflow in getAttributeId. CVE-2026-56405 Note that Nessus relies on the presence of the package as reported by the vendor...

PT-2026-51241

Name of the Vulnerable Software and Affected Versions libexpat versions prior to 2.8.2 Description An integer overflow exists in the getAttributeId function. An integer overflow occurs when an arithmetic operation attempts to create a numeric value that is outside of the range that can be...