CVSS v3
8.1
HIGH
EPSS Score
2.8 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Heap-based Buffer Overflow read in Graphite2 library in Firefox before 54 in graphite2::Silf::getClassGlyph.
Technical details
- Published
- 2019-04-15
Frequently asked questions
What is CVE-2017-7776?
Heap-based Buffer Overflow read in Graphite2 library in Firefox before 54 in graphite2::Silf::getClassGlyph.
Is CVE-2017-7776 actively exploited?
Active exploitation of CVE-2017-7776 has not been confirmed. Its EPSS score was 2.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2017-7776?
CVE-2017-7776 has a CVSS v3 base score of 8.1 (HIGH severity).
Is CVE-2017-7776 affecting your environment?
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