Large Allocations in Expat <2.7.2 via Small XML (DoS)
CVE-2025-59375 Published on September 15, 2025
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.
Weakness Type
Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Products Associated with CVE-2025-59375
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2025-59375 are published in these products:
Affected Versions
libexpat project libexpat:- Before 2.7.2 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.