CVE-2026-57053
MEDIUM
NVD
CVSS Score
4
Severity
MEDIUM
Published
Jun 23, 2026
Vendor
unknown
Description
GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs because of mishandling in idna_to_unicode_internal. The affected code is not present in libidn2.