CVE-2016-1521
graphite2 - security update
8.8
HIGH
CVSS 3.1
EPSS 0.85%
Description
The directrun function in directmachine.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, does not validate a certain skip operation, which allows remote attackers to execute arbitrary code, obtain sensitive information, or cause a denial of service (out-of-bounds read and application crash) via a crafted Graphite smart font.
How to fix CVE-2016-1521
To remediate CVE-2016-1521, upgrade the affected package to a fixed version below.
- —upgrade to 1.3.5-1 or later
- —upgrade to 1.3.5-1~deb7u1 or later
Is CVE-2016-1521 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.3.5-1
- from 0, < 1.3.5-1~deb7u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |