CVE-2019-15225
CVSS v3
7.5
HIGH
EPSS Score
3.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
In Envoy through 1.11.1, users may configure a route to match incoming path headers via the libstdc++ regular expression implementation. A remote attacker may send a request with a very long URI to result in a denial of service (memory consumption). This is a related issue to CVE-2019-14993.
Technical details
- Published
- 2019-08-19
Frequently asked questions
What is CVE-2019-15225?
In Envoy through 1.11.1, users may configure a route to match incoming path headers via the libstdc++ regular expression implementation. A remote attacker may send a request with a very long URI to result in a denial of service (memory consumption). This is a related issue to CVE-2019-14993.
Is CVE-2019-15225 actively exploited?
Active exploitation of CVE-2019-15225 has not been confirmed. Its EPSS score was 3.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-15225?
CVE-2019-15225 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2019-15225 affecting your environment?
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