CVE-2025-0167 netrc and default credential leak

Low 3.4 Published Updated

Attackers can steal credentials from netrc files when curl follows redirects under specific default entry conditions.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2025-0167?

CVE-2025-0167 is a low-severity vulnerability in Haxx Curl, published on 5 Feb 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

When asked to use a `.netrc` file for credentials **and** to follow HTTP redirects, curl could leak the password used for the first host to the followed-to host under certain circumstances.

This flaw only manifests itself if the netrc file has a `default` entry that omits both login and password. A rare circumstance.

Which versions are affected by CVE-2025-0167?

It affects 16 products.

Products include Haxx Curl, Netapp Bootstrap Os, Netapp Element Software, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware and 10 more.

How do I fix CVE-2025-0167?

Upgrade to a fixed version.

Is CVE-2025-0167 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-0167 exists.

All Haxx Curl vulnerabilities

Sources

Also known as ALPINE-CVE-2025-0167, AZL-56478, AZL-56501, BELL-CVE-2025-0167, CLEANSTART-2026-GE06685, CLSA-2025-1764029592 and 7 more.

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