VULNERABILITY INTELLIGENCE

CVE-2026-57053

CVSS score4 MEDIUM
EPSS probability0.14%
CISA KEVNot currently listed
Published2026-06-23
Last modified2026-10-25
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

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.

Weakness classification

  • cve@mitre.org: CWE-1284
  • nvd@nist.gov: CWE-1284

Primary references