CVE-2022-40303An issue was discovered in libxml2 before 2.10.3.
Updated under an hour ago ()
Does this affect you?
It affects Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP and 19 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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Free account, 1 product
An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.
- 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-190
- 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 |
xmlsoft libxml2 xmlsoft:libxml2 | before 2.10.3 | NVD |
netapp active_iq_unified_manager netapp:active_iq_unified_manager | all versions | NVD |
netapp clustered_data_ontap netapp:clustered_data_ontap | all versions | NVD |
netapp clustered_data_ontap_antivirus_connector netapp:clustered_data_ontap_antivirus_connector | all versions | NVD |
netapp netapp_manageability_sdk netapp:netapp_manageability_sdk | all versions | NVD |
netapp ontap_select_deploy_administration_utility netapp:ontap_select_deploy_administration_utility | all versions | NVD |
netapp snapmanager netapp:snapmanager | all versions | NVD |
apple ipados apple:ipados | before 15.7.2 | NVD |
apple iphone_os apple:iphone_os | before 15.7.2 | NVD |
apple macos apple:macos | from 11.0 before 11.7.2; from 12.0 before 12.6.2 | NVD |
apple tvos apple:tvos | before 16.2 | NVD |
apple watchos apple:watchos | before 9.2 | NVD |
netapp h300s_firmware netapp:h300s_firmware | all versions | NVD |
netapp h500s_firmware netapp:h500s_firmware | all versions | NVD |
netapp h700s_firmware netapp:h700s_firmware | all versions | NVD |
netapp h410s_firmware netapp:h410s_firmware | all versions | NVD |
netapp h410c_firmware netapp:h410c_firmware | all versions | NVD |
References
- https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3release-notes, third-party-advisory
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/c846986356fc149915a74972bf198abc266bc2c0patch, third-party-advisory
- https://security.netapp.com/advisory/ntap-20221209-0003/third-party-advisory
- https://support.apple.com/kb/HT213534third-party-advisory
- https://support.apple.com/kb/HT213533third-party-advisory
- https://support.apple.com/kb/HT213531third-party-advisory
- https://support.apple.com/kb/HT213536third-party-advisory
- https://support.apple.com/kb/HT213535third-party-advisory
- http://seclists.org/fulldisclosure/2022/Dec/21mailing-list, third-party-advisory
- http://seclists.org/fulldisclosure/2022/Dec/25mailing-list, third-party-advisory
- http://seclists.org/fulldisclosure/2022/Dec/26mailing-list, third-party-advisory
- http://seclists.org/fulldisclosure/2022/Dec/24mailing-list, third-party-advisory
- http://seclists.org/fulldisclosure/2022/Dec/27mailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-337522.html
- https://cert-portal.siemens.com/productcert/html/ssa-341067.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-556635.html
- https://cert-portal.siemens.com/productcert/html/ssa-625862.html
- https://cert-portal.siemens.com/productcert/html/ssa-769027.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.