Buffer Overflow Issue in libxml2 Affects PHP and Other Applications
CVE-2017-9047

7.5HIGH

Key Information:

Vendor

Xmlsoft

Status
Libxml2
Vendor
CVE Published:
18 May 2017

What is CVE-2017-9047?

A buffer overflow vulnerability exists in libxml2 that can cause applications utilizing this library, such as PHP, to crash. The issue arises in the xmlSnprintfElementContent function, where improper validation of buffer length allows for excessive data to be written beyond allocated memory. This flaw can be exploited when handling XML content, potentially leading to application instability and denial of service.

References

http://www.securityfocus.com/bid/98599
vdb-entryx_refsource_BID
http://www.debian.org/security/2017/dsa-3952
vendor-advisoryx_refsource_DEBIAN
https://security.gentoo.org/glsa/201711-01
vendor-advisoryx_refsource_GENTOO

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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