Servers and applications
CVE-2016-4449
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.
- Severity
- High 7.1
- Published
- 9 Jun 2016
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 1.7% in the next 30 daysHigher than 77% of CVEs. EPSS by FIRST, 11 Nov 2026
- Attack
- Needs local access · No login needed · Needs someone to click or open something
- Attacker can
- Read data · Take it down
- CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
libxml2Servers and applications · cpe:a:xmlsoft:libxml2 |
|