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Affected Component
Analysis
popt
Patched
Name
CVE-2026-18743
Description
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).
CWEs
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
2.5
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
popt (yocto:master)
#
Title
Author
Resolve
1
Fix CVE-2026-18739: off-by-one error in poptStuffArgs()
Yao Zhang <294772273@qq.com>
CVE-2026-18743
2
Fix CVE-2026-18743: buffer overflow(s) in
Panu Matilainen <pmatilai@redhat.com>
CVE-2026-18743