CVE-2018-9523 json
In Parcel.writeMapInternal of Parcel.java, there is a possible parcel serialization/deserialization mismatch due to improper input validati…
published 2018-11-14 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-21117
- cvss
- 7.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 7%
- public exploits
- 0
- none known
Summary
In Parcel.writeMapInternal of Parcel.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege 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. Android ID: A-112859604
Patch / fix
Exploit prediction
0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Google Inc. Android
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
source.android.com
/security/bulletin/2018-11-01
patch, vendor-advisory
-
securityfocus.com
/bid/105847
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-9523
- NVD CVE-2018-9523
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.