High 7.5Published Jan 26, 2021

CVE-2021-3326The 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 th…

Updated under an hour ago (Oct 26, 2026, 4:30 PM ET)

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It affects Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP and 13 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP

Exploited in the last 30 days

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: 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-617
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
gnu glibc gnu:glibc	through 2.32.0	NVD
netapp e-series_santricity_os_controller netapp:e-series_santricity_os_controller	from 11.0 through 11.60.3	NVD
netapp ontap_select_deploy_administration_utility netapp:ontap_select_deploy_administration_utility	all versions	NVD
oracle communications_cloud_native_core_security_edge_protection_proxy oracle:communications_cloud_native_core_security_edge_protection_proxy	1.5.0	NVD
fujitsu m10-1_firmware fujitsu:m10-1_firmware	before xcp2410; before xcp3110	NVD
fujitsu m10-4_firmware fujitsu:m10-4_firmware	before xcp2410; before xcp3110	NVD
fujitsu m10-4s_firmware fujitsu:m10-4s_firmware	before xcp2410; before xcp3110	NVD
1–10 of 14

References

References

https://sourceware.org/bugzilla/show_bug.cgi?id=27256	issue-tracking, third-party-advisory
https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888
http://www.openwall.com/lists/oss-security/2021/01/28/2	mailing-list, third-party-advisory
https://security.gentoo.org/glsa/202107-07	vendor-advisory, third-party-advisory
https://www.oracle.com/security-alerts/cpujan2022.html	patch, third-party-advisory
https://security.netapp.com/advisory/ntap-20210304-0007/	third-party-advisory
https://www.oracle.com/security-alerts/cpuapr2022.html	not-applicable
https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html	mailing-list, third-party-advisory
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://cert-portal.siemens.com/productcert/html/ssa-831302.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.