CVE-2018-9503 Information disclosure in Android

What is CVE-2018-9503?

CVE-2018-9503 is a high-severity vulnerability in Google Android, published on 2 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In rfc_process_mx_message of rfc_ts_frames.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9.0 Android ID: A-80432928

Weakness: CWE-125

Which versions are affected by CVE-2018-9503?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-9503?

No fix has been published for CVE-2018-9503 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-9503 being exploited?

There is no known exploitation of CVE-2018-9503 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-24g4-c97f-v22x.