CVE-2016-1523

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-02-13 · updated 2026-06-17

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.

Affected products

Debian Linux: 7.0, 8.0
Fedoraproject Fedora: 22, 23
Mozilla Firefox: 38.0, 38.0.1, 38.0.5, 38.1.0, 38.1.1, 38.2.0 (+7)
Mozilla Thunderbird: through 38.5.1
Sil Graphite2: 1.2.4

References

http://blog.talosintel.com/2016/02/vulnerability-spotlight-libgraphite.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177520.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184623.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00053.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00055.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00052.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00058.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00088.html
http://rhn.redhat.com/errata/RHSA-2016-0197.html
http://rhn.redhat.com/errata/RHSA-2016-0258.html
http://rhn.redhat.com/errata/RHSA-2016-0594.html
http://www.debian.org/security/2016/dsa-3477

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