CVE-2021-39803 — Use After Free in Google Android

CWE-416 — Use After FreeCWE-125 — Out-of-bounds Read5 documents5 sources
Severity
6.5MEDIUMNVD
EPSS
0.3%
top 50.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform Frameworks AVGoogle Android
Timeline
PublishedApr 12
Latest updateApr 13

Description

In ~Impl of C2AllocatorIon.cpp, there is a possible out of bounds read due to a use after free. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-193790350

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5google/androidAndroid-10 Android-11 Android-12 Android-12L
▶NVDgoogle/android4 versions+3
▶Androidplatform/frameworks_av10:0 — 10:2022-04-01+3

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-rpq4-mrj2-p6qj: In ~Impl of C2AllocatorIon↗2022-04-13
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CVEList
CVE-2021-39803: In ~Impl of C2AllocatorIon↗2022-04-12
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OSV
CVE-2021-39803: In ~Impl of C2AllocatorIon↗2022-04-01
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📋Vendor Advisories

1
Android
CVE-2021-39803: Android Security Bulletin 2022-04-01 CVE: CVE-2021-39803 Severity: HIGH Type: ID Affected AOSP versions: 10, 11, 12, 12L References: A-193790350↗2022-04-01
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CVE-2021-39803 — Use After Free in Google Android | cvebase