CVE-2026-77214: libexpat 0 through 2.8.5

Affected technology

libexpat · 0 through 2.8.5
libexpat

Description’s affected range: before commit 13c5f63

Component: Not specified by the source
Function: pointers

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 8.3/10) rates confidentiality impact as high; integrity impact as none; availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.