CVE-2026-122054

MediumCVSS 5.9/10Last modified Nov 4, 2026

Description

Converting crafted BIG-HKSCS input to UCS-4 or the internal wide character encoding, for example with iconv, in the GNU C Library version 2.18 through 2.31 may result in the converter making no progress, causing the calling application to hang.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
The GNU C Libraryglibc>= 2.18, <= 2.31

References

Timeline

Published
Nov 4, 2026
Last modified
Nov 4, 2026
NVD status
Received

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CVE-2026-122054: Medium severity, CVSS 5.9 | Vulnix