CVE-2026-18743 — Popt-devel: popt-static: short realloc in poptconfigfiletostring
A flaw was found in popt. This vulnerability allows an attacker to provide specially crafted configuration content to a host, which, when loaded, can lead to a small memory corr…
Published: 2026-09-01 · CVSS: 2.5 · CVSS 3.1
A flaw was found in popt. This vulnerability allows an attacker to provide specially crafted configuration content to a host, which, when loaded, can lead to a small memory corruption issue. This occurs because of 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 (denial of service).
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7