Integer Overflow Issue in Libxml2 Affects Multiple Platforms
CVE-2022-40303

7.5HIGH

Key Information:

Vendor

Xmlsoft

Status
Libxml2
Vendor
CVE Published:
23 November 2022

What is CVE-2022-40303?

A vulnerability in libxml2 exists when processing large XML documents with the XML_PARSE_HUGE option activated. Due to integer counter overflows, this can lead to accessing an array at negative offsets, often causing segmentation faults. Updating to version 2.10.3 or later is recommended to mitigate this issue.

References

https://gitlab.gnome.org/GNOME/libxml2/-/tags/v2.10.3
https://gitlab.gnome.org/GNOME/libxml2/-/commit/c84698635...
https://security.netapp.com/advisory/ntap-20221209-0003/

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2022-40303 : Integer Overflow Issue in Libxml2 Affects Multiple Platforms