The xmlBufAttrSerializeTxtContent function in xmlsave.c in libxml2 allows context-dependent attackers to cause a denial of service (out-of-bounds read and application crash) via a non-UTF-8 attribute value, related to serialization. NOTE: this vulnerability may be a duplicate of CVE-2016-3627.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-4483 from the MITRE CVE dictionary dictionary and NIST NVD.
When a specially-crafted XML file is parsed via an application compiled against libxml2, this can cause the application to crash. (No code execution)
| Base Score | 4.3 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat JBoss Core Services 1 | RHSA-2016:2957 | 2016-12-15 |
| Platform | Package | State |
|---|---|---|
| Red Hat JBoss Web Server 3.0 | libxml2 | Will not fix |
| Red Hat Enterprise Linux 7 | libxml2 | Will not fix |
| Red Hat Enterprise Linux 6 | libxml2 | Will not fix |
| Red Hat Enterprise Linux 5 | libxml2 | Will not fix |
Vulmon