Uriparser <=0.9.9 Recursion Stack overflow
CVE-2025-67899 Published on December 14, 2025
uriparser through 0.9.9 allows unbounded recursion and stack consumption, as demonstrated by ParseMustBeSegmentNzNc with large input containing many commas.
Vulnerability Analysis
CVE-2025-67899 can be exploited with local system access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of 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 a Stack Exhaustion Vulnerability?
The product does not properly control the amount of recursion which takes place, consuming excessive resources, such as allocated memory or the program stack.
CVE-2025-67899 has been classified to as a Stack Exhaustion vulnerability or weakness.
Products Associated with CVE-2025-67899
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Affected Versions
uriparser project uriparser:- Before and including 0.9.9 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.