What’s Vulnerable › Vulnerabilities

CVE-2018-14023

• Severity: medium (CVSS 4.0 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-08-20 · updated 2026-06-17
• Weakness: CWE-200

Description

Open Whisper Signal (aka Signal-Desktop) before 1.15.0-beta.10 allows information leakage.

Affected products

• Signal-Desktop: before 1.15.0; 1.15.0-beta1, 1.15.0-beta2, 1.15.0-beta3, 1.15.0-beta4, 1.15.0-beta5, 1.15.0-beta6 (+3) — fixed in 1.15.0

How to fix

Upgrade to a fixed version: Signal-Desktop 1.15.0. Check the vendor advisory for mitigations.

References

• http://n0sign4l.blogspot.com/2018/08/advisory-id-n0sign4l-002-risk-level-4-5.html?m=1
• https://www.youtube.com/watch?v=oSJscEei5SE&app=desktop
• http://n0sign4l.blogspot.com/2018/08/advisory-id-n0sign4l-002-risk-level-4-5.html?m=1
• https://www.youtube.com/watch?v=oSJscEei5SE&app=desktop

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