CVE-2022-23218The deprecated compatibility function svcunix_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34 copies its path argument on the stack without validating its length, which may…
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It affects Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP and 6 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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The deprecated compatibility function svcunix_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34 copies its path argument on the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denial of service or (if an application is not built with a stack protector enabled) arbitrary code execution.
- CVSS
- 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-120
- 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
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 | before 2.31 | NVD |
oracle communications_cloud_native_core_unified_data_repository oracle:communications_cloud_native_core_unified_data_repository | 22.2.0 | NVD |
oracle enterprise_operations_monitor oracle:enterprise_operations_monitor | 4.3; 4.4; 5.0 | NVD |
debian debian_linux debian:debian_linux | 10.0 | NVD |
References
- https://sourceware.org/bugzilla/show_bug.cgi?id=28768exploit, issue-tracking, third-party-advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlpatch, third-party-advisory
- https://security.gentoo.org/glsa/202208-24vendor-advisory, third-party-advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlmailing-list, third-party-advisory
- https://cert-portal.siemens.com/productcert/html/ssa-099606.html
- 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.