CVE-2025-49809 (CVSS 7.8)

Description

mtr through 0.95, in certain privileged contexts, mishandles execution of a program specified by the MTR_PACKET environment variable. NOTE: mtr on macOS may often have Sudo rules, as an indirect consequence of Homebrew not installing setuid binaries.

Is your site exposed to CVE-2025-49809?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-829 CWE-829

References

Other References

https://github.com/Homebrew/homebrew-core/issues/35085 https://github.com/traviscross/mtr/blob/master/SECURITY https://github.com/traviscross/mtr/commit/5226f105f087c29d3cfad9f28000e7536af91ac6 https://github.com/traviscross/mtr/blob/master/SECURITY

Frequently Asked Questions

What is CVE-2025-49809? +

mtr through 0.95, in certain privileged contexts, mishandles execution of a program specified by the MTR_PACKET environment variable. NOTE: mtr on macOS may often have Sudo rules, as an indirect consequence of Homebrew not installing setuid binaries. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-49809? +

CVE-2025-49809 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-49809? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-27510

conda-forge-metadata provides programatic access to conda-forge's metadata. conda-forge-metadata uses an optional dependency - "conda-oci-mirror" which was neither present on the …

CVE-2025-24796

Collabora Online is a collaborative online office suite based on LibreOffice. Macro support is disabled by default in Collabora Online, …

CVE-2024-45482

An Inclusion of Functionality from Untrusted Control Sphere vulnerability in the SSH server on B&R APROL <4.4-00P1 may allow an …

CVE-2025-36852

A critical security vulnerability exists in remote cache extensions for common build systems utilizing bucket-based remote cache (such as those …

CVE-2025-34060

A PHP objection injection vulnerability exists in the Monero Project’s Laravel-based forum software due to unsafe handling of untrusted input …

CVE-2025-34074

An authenticated remote code execution vulnerability exists in Lucee’s administrative interface due to insecure design in the scheduled task functionality. …

CVE-2025-49809