VULNERABILITY INTELLIGENCE

CVE-2021-33269

CVSS score10 HIGH

EPSS probability3.82%

CISA KEVNot currently listed

Published2021-12-01

Last modified2026-06-17

Description

The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.