What is CVE-2018-9556?

CVE-2018-9556 is a critical-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2018-12-06.

How severe is CVE-2018-9556?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Google Android

CVE-2018-9556

In ParsePayloadHeader of payload_metadata.cc, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-9. Android ID: A-113118184.

Vulnerability class: Integer Overflow

EPSS: 0.020 (78.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 9.0
Google Inc. Android — versions Android-9

Weakness classification (CWE)

References

security@android.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
security@android.com (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-9556?: CVE-2018-9556 is a critical-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2018-12-06.
How severe is CVE-2018-9556?: Critical severity. CVSS v3 base score is 9.8 out of 10.