CVE-2018-3988

Name: CVE-2018-3988
Creator: NVD / NIST
Published: 2018-12-10T17:29:00.27+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.7/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2018-3988 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. Signal Messenger for Android 4.24.8 may expose private information when using "disappearing messages." If a user uses the photo feature available in the "attach file" menu, then Signal will leave the picture in its own cache directory, which is available to any application on the system.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

Signal Messenger for Android 4.24.8 may expose private information when using "disappearing messages." If a user uses the photo feature available in the "attach file" menu, then Signal will leave the picture in its own cache directory, which is available to any application on the system.

Metrics

CVSS 3.1

4.7/10

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

EPSS Probability

0.51%

39.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Signal	Private Messenger	4.24.8

References

http://www.securityfocus.com/bid/106207Broken Link, Third Party Advisory, VDB Entry
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0656Exploit, Third Party Advisory
http://www.securityfocus.com/bid/106207Broken Link, Third Party Advisory, VDB Entry
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0656Exploit, Third Party Advisory

Timeline

Published: Dec 10, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3988?

How severe is CVE-2018-3988?

CVE-2018-3988 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3988?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-3988?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST