CVE-2016-1523 Null dereference in n/a
Remote attackers can cause a browser crash via a crafted Graphite smart font due to a null pointer dereference in the Graphite library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2016-1523?
CVE-2016-1523 is a medium-severity vulnerability in Debian Debian Linux, published on 13 Feb 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The SillMap::readFace function in FeatureMap.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.6.1, mishandles a return value, which allows remote attackers to cause a denial of service (missing initialization, NULL pointer dereference, and application crash) via a crafted Graphite smart font.
Which versions are affected by CVE-2016-1523?
It affects 5 products.
Linux distribution packages (12)
MozillaFirefox SUSE:Linux Enterprise Desktop 11 SP4 | All versions | 38.6.1esr-34.1 |
MozillaFirefox SUSE:Linux Enterprise Desktop 12 | All versions | 38.6.1esr-60.1 |
MozillaFirefox SUSE:Linux Enterprise Desktop 12 SP1 | All versions | 38.6.1esr-60.1 |
MozillaFirefox SUSE:Linux Enterprise Server 11 SP4 | All versions | 38.6.1esr-34.1 |
MozillaFirefox SUSE:Linux Enterprise Server 12 | All versions | 38.6.1esr-60.1 |
MozillaFirefox SUSE:Linux Enterprise Server 12 SP1 | All versions | 38.6.1esr-60.1 |
MozillaFirefox SUSE:Linux Enterprise Server for SAP Applications 11 SP4 | All versions | 38.6.1esr-34.1 |
MozillaFirefox SUSE:Linux Enterprise Server for SAP Applications 12 | All versions | 38.6.1esr-60.1 |
MozillaFirefox SUSE:Linux Enterprise Server for SAP Applications 12 SP1 | All versions | 38.6.1esr-60.1 |
MozillaFirefox SUSE:Linux Enterprise Software Development Kit 11 SP4 | All versions | 38.6.1esr-34.1 |
MozillaFirefox SUSE:Linux Enterprise Software Development Kit 12 | All versions | 38.6.1esr-60.1 |
MozillaFirefox SUSE:Linux Enterprise Software Development Kit 12 SP1 | All versions | 38.6.1esr-60.1 |
Products include Debian Debian Linux, Fedoraproject Fedora, Mozilla Firefox, Mozilla Thunderbird, Sil Graphite2.
How do I fix CVE-2016-1523?
Upgrade to a fixed version.
Is CVE-2016-1523 being exploited?
There is no known exploitation of CVE-2016-1523 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2016-1523, GHSA-996f-83x4-9fpc, SUSE-SU-2016:0554-1, SUSE-SU-2016:0564-1, UBUNTU-CVE-2016-1523.