CVE Database›CVE-2020-25219

CVE-2020-25219

libproxy: uncontrolled recursion via an infinite stream response leading to stack exhaustion

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Severity

Moderate

Red Hat Product Security

5.9

CVSS 3.1

Review impact separately from score.

Published · September 9, 2020

Updated · March 20, 2026

Description

A flaw was found in libproxy in versions 0.4 through 0.4.15. A remote HTTP server can trigger an uncontrolled recursion via a response composed of an infinite stream that lacks a newline character leading to a stack exhaustion. The highest threat from this vulnerability is to system availability.

Statement

Red Hat has determined this flaw to be of moderate impact as the attack triggers an uncontrolled recursion beyond the attacker's control and results in a DoS, which can cause service disruptions but does not directly enable privilege escalation or arbitrary code execution.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-674 · Uncontrolled Recursion