UBUNTU-CVE-2026-122054
Dashboard / Vulnerabilities / UBUNTU-CVE-2026-122054
Summary:
Details: 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.
References: https://ubuntu.com/security/CVE-2026-122054, https://www.cve.org/CVERecord?id=CVE-2026-122054, https://sourceware.org/git/?p=glibc.git;a=blob_plain;f=advisories/GLIBC-SA-2026-0026
Affected packages
Package
Name: glibc
Purl: pkg:deb/ubuntu/glibc?arch=source&distro=esm-infra%2Fxenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
2.21-0ubuntu4
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
