CVE-2018-11838

Name: CVE-2018-11838
Creator: NVD / NIST
Published: 2020-03-05T09:15:15.28+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.20%

Last modified Jun 17, 2026

CVE-2018-11838 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Possible double free issue in WLAN due to lack of checking memory free condition. in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music in APQ8053, MDM9640, SDA660, SDM636, SDM660, SDX20. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

Description

Possible double free issue in WLAN due to lack of checking memory free condition. in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music in APQ8053, MDM9640, SDA660, SDM636, SDM660, SDX20

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.20%

10.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-415

Affected Software

Vendor	Product	Versions
Qualcomm	Apq8053 Firmware	All versions
Qualcomm	Mdm9640 Firmware	All versions
Qualcomm	Sda660 Firmware	All versions
Qualcomm	Sdm636 Firmware	All versions
Qualcomm	Sdm660 Firmware	All versions
Qualcomm	Sdx20 Firmware	All versions

References

https://www.qualcomm.com/company/product-security/bulletins/march-2020-bulletinPatch, Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/march-2020-bulletinPatch, Vendor Advisory

Timeline

Published: Mar 5, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-11838?

How severe is CVE-2018-11838?

CVE-2018-11838 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.

How do I fix CVE-2018-11838?

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-2018-11838?

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

Scan your code now

Source: NVD / NIST