Infinite Loop in libexpat <2.7.5 DTD Parsing
CVE-2026-32777 Published on March 16, 2026
libexpat before 2.7.5 allows an infinite loop while parsing DTD content.
Vulnerability Analysis
CVE-2026-32777 can be exploited with local system access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
What is an Infinite Loop Vulnerability?
The program contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. If the loop can be influenced by an attacker, this weakness could allow attackers to consume excessive resources such as CPU or memory.
CVE-2026-32777 has been classified to as an Infinite Loop vulnerability or weakness.
Affected Versions
libexpat project libexpat:- Before 2.7.5 is affected.