CVE-2021-3326

At a glance

Severity: HIGH 7.5
EPSS: EPSS 3.82 % · percentile 90 (2026-10-27)
State: PUBLISHED
Published: 2021-01-27
Updated: 2026-10-14
Assigner: mitre
NVD status: Modified

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
CVSS 2.0	MEDIUM 5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-617

European references

ENISA EUVD · EUVD-2021-26657
GCVE · GCVE-0-2021-3326

CERT-FR advisories

CERTFR-2026-AVI-0218 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2025-AVI-1057 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2025-AVI-0969 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2025-AVI-0756 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2023-AVI-1015 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
CERTFR-2023-AVI-0453 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
CERTFR-2022-AVI-054 — Multiples vulnérabilités dans Oracle Systems · cert.ssi.gouv.fr
CERTFR-2021-AVI-791 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* ≤ 2.32.0
cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:* ≥ 11.0 ≤ 11.60.3
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_security_edge_protection_proxy:1.5.0:*:*:*:*:*:*:*
cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:* < xcp2410
cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:* < xcp2410
cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:* < xcp2410
cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:* < xcp2410
cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:* < xcp2410
cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:* < xcp2410
cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:* < xcp2410
cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:* < xcp3110
cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:* < xcp3110
cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:* < xcp3110
cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:* < xcp3110
cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:* < xcp3110
cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:* < xcp3110
cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:* < xcp3110
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Affected products

Product	Versions
	affected n/a

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD