CVE-2017-7773
CVSS v3
8.8
HIGH
EPSS Score
1.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Heap-based Buffer Overflow write in Graphite2 library in Firefox before 54 in lz4::decompress src/Decompressor.
Technical details
- Published
- 2019-04-15
Frequently asked questions
What is CVE-2017-7773?
Heap-based Buffer Overflow write in Graphite2 library in Firefox before 54 in lz4::decompress src/Decompressor.
Is CVE-2017-7773 actively exploited?
Active exploitation of CVE-2017-7773 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2017-7773?
CVE-2017-7773 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2017-7773 affecting your environment?
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