XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in validating mode, allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-4449 from the MITRE CVE dictionary dictionary and NIST NVD.
| Base Score | 4.3 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | Partial |
| Availability Impact | None |
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 |
| Red Hat Enterprise Linux 6 (libxml2) | RHSA-2016:1292 | 2016-06-23 |
| Red Hat Enterprise Linux 7 (libxml2) | RHSA-2016:1292 | 2016-06-23 |
| Platform | Package | State |
|---|---|---|
| Red Hat JBoss Web Server 3.0 | libxml2 | Will not fix |
| Red Hat Enterprise Linux 5 | libxml2 | Will not fix |
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