CVE-2021-3326

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.

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

3.8% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-25)

CWE

CWE-617

Published

2021-01-27

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• debian:debian_linux
• fujitsu:m10-1_firmware
• fujitsu:m10-4_firmware
• fujitsu:m10-4s_firmware
• fujitsu:m12-1_firmware
• fujitsu:m12-2_firmware
• fujitsu:m12-2s_firmware
• gnu:glibc
• netapp:e-series_santricity_os_controller
• netapp:ontap_select_deploy_administration_utility
• oracle:communications_cloud_native_core_security_edge_protection_proxy

References

• http://www.openwall.com/lists/oss-security/2021/01/28/2
• https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
• https://security.gentoo.org/glsa/202107-07
• https://security.netapp.com/advisory/ntap-20210304-0007/
• https://sourceware.org/bugzilla/show_bug.cgi?id=27256

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