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HIGH

CVE-2020-25219

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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