Vulnerability Details CVE-2026-4046
The iconv() function in the GNU C Library versions 2.43 and earlier may crash due to an assertion failure when converting inputs from the IBM1390 or IBM1399 character sets, which may be used to remotely crash an application.
This vulnerability can be trivially mitigated by removing the IBM1390 and IBM1399 character sets from systems that do not need them.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 16.4%
CVSS Severity
CVSS v3 Score 7.5