What’s Vulnerable › Vulnerabilities

CVE-2025-49809

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-04 · updated 2026-06-17
• Weakness: CWE-829

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.

Affected products

• mtr: through 0.95

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

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