Out-of-Bounds Read Vulnerability in libxml2 Affects Multiple Systems
CVE-2021-3517

8.6HIGH

Key Information:

Vendor

Xmlsoft

Status
Libxml2
Vendor
CVE Published:
19 May 2021

What is CVE-2021-3517?

A significant vulnerability exists in the xml entity encoding feature of libxml2 prior to version 2.9.11, where an attacker can exploit this flaw by supplying a specially crafted file for processing. This could potentially lead to an out-of-bounds read, compromising application stability and potentially affecting the confidentiality and integrity of data if further exploited.

Affected Version(s)

libxml2 libxml2 2.9.11

References

https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA
https://lists.debian.org/debian-lts-announce/2021/05/msg0...
mailing-listx_refsource_MLIST
https://bugzilla.redhat.com/show_bug.cgi?id=1954232
x_refsource_MISC

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.