Integer Overflow Vulnerability in Expat XML Parser Affecting Multiple Versions
CVE-2022-22827

8.8HIGH

Key Information:

Vendor

Libexpat Project

Status
Libexpat
Vendor
CVE Published:
10 January 2022

What is CVE-2022-22827?

An integer overflow vulnerability has been identified in libexpat's xmlparse.c, specifically in the storeAtts function. This flaw affects versions prior to 2.4.3 and could potentially lead to unexpected behavior and exploitation when processing XML data. Users are advised to upgrade to the patched version to mitigate risks associated with this vulnerability.

References

https://github.com/libexpat/libexpat/pull/539
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2022/01/17/3
mailing-listx_refsource_MLIST
https://www.tenable.com/security/tns-2022-05
x_refsource_CONFIRM

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.