CVE-2018-5820 Integer overflow in Android for MSM, Firefox OS for MSM, QRD Android

What is CVE-2018-5820?

CVE-2018-5820 is a high-severity vulnerability in Google Android, published on 3 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, in the function wma_tbttoffset_update_event_handler(), a parameter received from firmware is used to allocate memory for a local buffer and is not properly validated. This can potentially result in an integer overflow subsequently leading to a heap overwrite.

Weakness: CWE-190

Which versions are affected by CVE-2018-5820?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-5820?

No fix has been published for CVE-2018-5820 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-5820 being exploited?

There is no known exploitation of CVE-2018-5820 in the wild and no public exploit code.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-xg69-fr7r-wmjm.