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No exploitation reportedFix available

CVE-2018-9543

No exploitation reported by the sources we read.

  • Published2018-11-14
  • WeaknessCWE-200

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In trim_device of f2fs_format_utils.c, it is possible that the data partition is not wiped during a factory reset. This could lead to local information disclosure after factory reset 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-112868088.

Timeline

dates in UTC
  1. 2018-11-1418:29CVE publishedNVD

Versions per branch

NVD
Google android
BranchAffectedFixed in
7.0= 7.0no fix published
7.1= 7.1.1no fix published
7.1= 7.1.2no fix published
8.0= 8.0no fix published
8.1= 8.1no fix published
9.0= 9.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • f2fs-toolsUbuntu:26.10all versions · no fixed version listed
  • f2fs-toolsUbuntu:26.04:LTSall versions · no fixed version listed
  • f2fs-toolsUbuntu:25.10all versions · no fixed version listed
  • f2fs-toolsUbuntu:24.04:LTSall versions · no fixed version listed
  • f2fs-toolsUbuntu:22.04:LTSall versions · no fixed version listed
  • f2fs-toolsUbuntu:20.04:LTSall versions · no fixed version listed
  • f2fs-toolsUbuntu:18.04:LTSall versions · no fixed version listed
  • f2fs-toolsUbuntu:16.04:LTSall versions · no fixed version listed

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Published
2018-11-14
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-cg6c-3fqg-36xh

Frequently asked questions

What is CVE-2018-9543?

In trim_device of f2fs_format_utils.c, it is possible that the data partition is not wiped during a factory reset. This could lead to local information disclosure after factory reset 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-112868088.

Is CVE-2018-9543 actively exploited?

Active exploitation of CVE-2018-9543 has not been confirmed. Its EPSS score was 0.2% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-9543?

CVE-2018-9543 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

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