Vulnerability Description
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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xmlsoft | Libxml2 | < 2.10.3 |
| Netapp | Active Iq Unified Manager | - |
| Netapp | Clustered Data Ontap | - |
| Netapp | Clustered Data Ontap Antivirus Connector | - |
| Netapp | Netapp Manageability Sdk | - |
| Netapp | Ontap Select Deploy Administration Utility | - |
| Netapp | Snapmanager | - |
| Apple | Ipados | < 15.7.2 |
| Apple | Iphone Os | < 15.7.2 |
| Apple | Macos | >= 11.0, < 11.7.2 |
| Apple | Tvos | < 16.2 |
| Apple | Watchos | < 9.2 |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H410S Firmware | - |
| Netapp | H410S | - |
Related Weaknesses (CWE)
References
- http://seclists.org/fulldisclosure/2022/Dec/21Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2022/Dec/24Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2022/Dec/25Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2022/Dec/26Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2022/Dec/27
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/c846986356fc149915a74972bf198abcPatchThird Party Advisory
- https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3Release NotesThird Party Advisory
- https://security.netapp.com/advisory/ntap-20221209-0003/Third Party Advisory
- https://support.apple.com/kb/HT213531Third Party Advisory
- https://support.apple.com/kb/HT213533Third Party Advisory
- https://support.apple.com/kb/HT213534Third Party Advisory
- https://support.apple.com/kb/HT213535Third Party Advisory
- https://support.apple.com/kb/HT213536Third Party Advisory
- http://seclists.org/fulldisclosure/2022/Dec/21Mailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2022/Dec/24Mailing ListThird Party Advisory
FAQ
What is CVE-2022-40303?
CVE-2022-40303 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 at...
How severe is CVE-2022-40303?
CVE-2022-40303 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-40303?
Check the references section above for vendor advisories and patch information. Affected products include: Xmlsoft Libxml2, Netapp Active Iq Unified Manager, Netapp Clustered Data Ontap, Netapp Clustered Data Ontap Antivirus Connector, Netapp Netapp Manageability Sdk.