Vulnerability DatabaseCVE-2026-122054
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CVE-2026-122054
Published:November 04, 2026
Updated:November 06, 2026
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.
Affected Packages
https://github.com/sailfishos-mirror/glibc.git (GITHUB):
Affected version(s) >=glibc-2.18 <glibc-2.32
Fix Suggestion:
Update to version glibc-2.32
Related Resources (5)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/122xxx/CVE-2026-122054.json
https://nvd.nist.gov/vuln/detail/CVE-2026-122054
https://sourceware.org/bugzilla/show_bug.cgi?id=25734
https://sourceware.org/git/?p=glibc.git;a=blob_plain;f=advisories/GLIBC-SA-2026-0026
http://www.openwall.com/lists/oss-security/2026/11/04/10
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CVSS v4
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Loop with Unreachable Exit Condition
CWE-835
EPSS
Base Score:
0.45