CVE-2015-7942: Buffer Overflow
The xmlParseConditionalSections function in parser.c in libxml2 does not properly skip intermediary entities when it stops parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via crafted XML data, a different vulnerability than CVE-2015-7941.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2015-7942?
CVE-2015-7942 has a medium severity rating due to its potential to cause denial of service.
How do I fix CVE-2015-7942?
To fix CVE-2015-7942, upgrade affected software versions of libxml2 and other impacted applications.
What systems are affected by CVE-2015-7942?
CVE-2015-7942 affects libxml2 and various versions of HP IceWall, Debian, Apple iOS, macOS, tvOS, watchOS, and Ubuntu.
What kind of attack does CVE-2015-7942 facilitate?
CVE-2015-7942 allows context-dependent attackers to launch denial of service attacks via crafted XML data.
Is CVE-2015-7942 specific to any version of libxml2?
Yes, CVE-2015-7942 specifically affects libxml2 version 2.9.2.