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JLSEC-2026-667 Low 2.5

GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs...

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JLSEC Published
Modified
Severity
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Affected Packages
libidn_jll < 1.44.0+0
Upstream
CVE-2026-57053 GHSA-xpv7-vm32-p7wv EUVD-2026-38523

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.

References