CVE-2026-122054

5.9 medium

Medium (5.9).

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.

Severity

CVSS 3.1

5.9 medium

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

CWE: CWE-835 Loop with Unreachable Exit Condition (Infinite Loop)
Published: 2026-11-04 18:17 UTC
Modified: 2026-11-04 19:17 UTC
Record from: the NVD, synced 2026-11-04 19:43 UTC

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Versions

From the CNA's record in the CVE List.

Product	Affected
The GNU C Library glibc	from 2.18 through 2.31

References

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