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CVE-2016-1835

8.8 · HIGH

Use-after-free vulnerability in the xmlSAX2AttributeNs function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2 and OS X before 10.11.5, allows remote attackers to cause a denial of serv…

Published May 20, 2016CWE-119EPSS 5.58%

Overview

CVE-2016-1835 is a high-severity vulnerability. It was published on May 20, 2016 and has a CVSS 3.0 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Use-after-free vulnerability in the xmlSAX2AttributeNs function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2 and OS X before 10.11.5, allows remote attackers to cause a denial of service via a crafted XML document.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.apple.com/archives/security-announce/2016/May/msg00002.htmlReflists.apple.com/archives/security-announce/2016/May/msg00004.htmlRefrhn.redhat.com/errata/RHSA-2016-2957.htmlRefwww.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlRefwww.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlRefwww.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlRefwww.securityfocus.com/bid/90696Refwww.securitytracker.com/id/1035890Refwww.ubuntu.com/usn/USN-2994-1Refxmlsoft.org/news.html

How CyberStrike helps

Frequently asked questions

What is CVE-2016-1835?

CVE-2016-1835 is a high-severity vulnerability. It was published on May 20, 2016 and has a CVSS 3.0 base score of 8.8 (HIGH).

How severe is CVE-2016-1835?

This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-1835?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2016-1835?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-1835 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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