high
7.8
CWE
190
Advisory Published
Updated

CVE-2018-11821: Integer Overflow

First published: Fri Oct 26 2018(Updated: )

Possible integer overflow may happen in WLAN during memory allocation in Snapdragon Mobile, Snapdragon Wear in version IPQ8074, MDM9206, MDM9607, MDM9650, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 835, SD 845, SD 850, SDA660, SDM630, SDM632, SDM636, SDM660, SDM710, Snapdragon_High_Med_2016

Credit: product-security@qualcomm.com

Affected SoftwareAffected VersionHow to fix
Google Android
Qualcomm Ipq8074 Firmware
Qualcomm Ipq8074
Qualcomm Mdm9206 Firmware
Qualcomm Mdm9206
Qualcomm Mdm9607 Firmware
Qualcomm Mdm9607
Qualcomm Mdm9650 Firmware
Qualcomm Mdm9650
Qualcomm Sd 425 Firmware
Qualcomm Sd 425
Qualcomm Sd 427 Firmware
Qualcomm Sd 427
Qualcomm Sd 430 Firmware
Qualcomm Sd 430
Qualcomm Sd 435 Firmware
Qualcomm Sd 435
Qualcomm Sd 450 Firmware
Qualcomm Sd 450
Qualcomm Sd 625 Firmware
Qualcomm Sd 625
Qualcomm Sd 650 Firmware
Qualcomm Sd 650
Qualcomm Sd 652 Firmware
Qualcomm Sd 652
Qualcomm Sd 835 Firmware
Qualcomm Sd 835
Qualcomm Sd 845 Firmware
Qualcomm Sd 845
Qualcomm Sd 850 Firmware
Qualcomm Sd 850
Qualcomm Sda660 Firmware
Qualcomm Sda660
Qualcomm Sdm630 Firmware
Qualcomm Sdm630
Qualcomm Sdm632 Firmware
Qualcomm Sdm632
Qualcomm Sdm636 Firmware
Qualcomm Sdm636
Qualcomm Sdm660 Firmware
Qualcomm Sdm660
Qualcomm Sdm710 Firmware
Qualcomm Sdm710

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2018-11821?

    The severity of CVE-2018-11821 is assessed as high due to potential exploitation through integer overflow during memory allocation.

  • How do I fix CVE-2018-11821?

    To fix CVE-2018-11821, ensure your device's firmware is updated to the latest version provided by Qualcomm or your device manufacturer.

  • What devices are affected by CVE-2018-11821?

    CVE-2018-11821 affects several Qualcomm Snapdragon devices including the 425, 430, 835, 845, and other models in the Snapdragon line.

  • Can CVE-2018-11821 lead to system crashes?

    Yes, CVE-2018-11821 can potentially lead to system crashes or arbitrary code execution due to the integer overflow.

  • Is CVE-2018-11821 related to Wi-Fi vulnerabilities?

    Yes, CVE-2018-11821 is specifically related to Wi-Fi (WLAN) vulnerabilities in Snapdragon chipsets.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203