CVE-2026-57053

low

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.

References

https://lists.gnu.org/archive/html/help-libidn/2026-06/msg00001.html

https://lists.gnu.org/archive/html/help-libidn/2026-05/msg00000.html

Details

Source: Mitre, NVD

Published: 2026-06-23

Updated: 2026-06-29

Risk Information

CVSS v2

Base Score: 1

Vector: CVSS2#AV:L/AC:H/Au:S/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 2.5

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Severity: Low

EPSS

EPSS: 0.00117