Bug 2567658 (CVE-2026-122054) - CVE-2026-122054 glibc: glibc: Denial of Service via crafted BIG-HKSCS input conversion
Summary: CVE-2026-122054 glibc: glibc: Denial of Service via crafted BIG-HKSCS input c...
Keywords:
Status: NEW
Alias: CVE-2026-122054
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-11-05 22:15 UTC by OSIDB Bzimport
Modified: 2026-11-06 00:10 UTC (History)
22 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-11-05 22:15:48 UTC 
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.
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