CVE-2026-18743

Name of the Vulnerable Software and Affected Versions popt (affected versions not specified)

Description A flaw exists where an attacker can provide specially crafted configuration content to a host. When this content is loaded, it can lead to a small memory corruption issue due to an error in how the poptConfigFileToString() function reallocates memory for buffers. Successful exploitation could result in heap metadata corruption, potentially causing the affected process to become unavailable, leading to a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.