CVSS v3
7.5
HIGH
EPSS Score
4.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response composed of an infinite stream that lacks a newline character. This leads to stack exhaustion.
Technical details
- Published
- 2020-09-09
Frequently asked questions
What is CVE-2020-25219?
url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response composed of an infinite stream that lacks a newline character. This leads to stack exhaustion.
Is CVE-2020-25219 actively exploited?
Active exploitation of CVE-2020-25219 has not been confirmed. Its EPSS score was 4.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-25219?
CVE-2020-25219 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-25219 affecting your environment?
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