Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux | — | Upgrade libxml2 | Jul 14, 2016 | May 20, 2016 |
| Apple Osx Libxml2 | — | Upgrade macOS to the latest versionApply OS X security update 2016-003 | Jun 2, 2016 | May 20, 2016 |
| Centos_linux | — | Upgrade libxml2-develUpgrade libxml2-pythonUpgrade libxml2-staticUpgrade libxml2 | Jul 22, 2016 | May 20, 2016 |
| Debian | — | Upgrade libxml2 | Jun 3, 2016 | May 20, 2016 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Dec 20, 2016 |
| Freebsd | — | Upgrade libxml2 | Dec 10, 2025 | Aug 28, 2016 |
| Mcafee Web Gateway | — | Upgrade to the latest version of Web Gateway | Sep 23, 2026 | May 20, 2016 |
| Oracle_linux | — | Upgrade libxml2-pythonUpgrade libxml2-develUpgrade libxml2Upgrade libxml2-static | Jun 23, 2016 | May 23, 2016 |
| Redhat_linux | — | Upgrade libxml2-develUpgrade libxml2-staticUpgrade libxml2-pythonUpgrade libxml2-debuginfoNo solution existsUpgrade libxml2 | Jul 29, 2016 | May 20, 2016 |
| Suse | — | Upgrade libxml2-2Upgrade python2-libxml2-pythonUpgrade libxml2-develUpgrade sles12-docker-imageUpgrade libxml2-toolsUpgrade libxml2-pythonUpgrade libxml2-32bitUpgrade python3-libxml2-pythonUpgrade libxml2-docUpgrade libxml2Upgrade libxml2-devel-32bitUpgrade libxml2-2-32bitUpgrade libxml2-x86Upgrade sles12sp1-docker-imageUpgrade python-libxml2 | Jun 9, 2016 | May 20, 2016 |
| Ubuntu | — | Upgrade libxml2 | Jun 6, 2016 | May 20, 2016 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub