CVSS v3
7.5
HIGH
EPSS Score
1.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Data sent with in multipart channels, such as the multipart/x-mixed-replace MIME type, will ignore the referrer-policy response header, leading to potential information disclosure for sites using this header. This vulnerability affects Firefox < 51.
Technical details
- Published
- 2018-06-11
Frequently asked questions
What is CVE-2017-5385?
Data sent with in multipart channels, such as the multipart/x-mixed-replace MIME type, will ignore the referrer-policy response header, leading to potential information disclosure for sites using this header. This vulnerability affects Firefox < 51.
Is CVE-2017-5385 actively exploited?
Active exploitation of CVE-2017-5385 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2017-5385?
CVE-2017-5385 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2017-5385 affecting your environment?
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