CVE-2021-0684 — Use After Free in Google Android

CWE-416 — Use After Free6 documents6 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 91.70%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform Frameworks NativeGoogle Android
Timeline
PublishedOct 6
Latest updateApr 10

Description

In TouchInputMapper::sync of TouchInputMapper.cpp, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.1 Android-9Android ID: A-179839665

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5google/androidAndroid-10 Android-11 Android-8.1 Android-9
▶NVDgoogle/android4 versions+3
▶Androidplatform/frameworks_native8.1:0 — 8.1:2021-09-01+3

Patches

Patch: source.android.com ↗Patch: source.android.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-7c84-vqvc-h363: In TouchInputMapper::sync of TouchInputMapper↗2022-05-24
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CVEList
CVE-2021-0684: In TouchInputMapper::sync of TouchInputMapper↗2021-10-06
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OSV
CVE-2021-0684: In TouchInputMapper::sync of TouchInputMapper↗2021-09-01
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📋Vendor Advisories

1
Android
CVE-2021-0684: Android Security Bulletin 2021-09-01 CVE: CVE-2021-0684 Severity: HIGH Type: EoP Affected AOSP versions: 8↗2021-09-01
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💬Community

1
Bugzilla
CVE-2021-47960 synology: Synology SSL VPN Client: Information Disclosure via local HTTP server and crafted web page interaction↗2026-04-10
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CVE-2021-0684 — Use After Free in Google Android | cvebase