CVE-2021-39804 — NULL Pointer Dereference in Google Android

CWE-476 — NULL Pointer Dereference5 documents5 sources
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 67.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Platform Frameworks AVGoogle Android
Timeline
PublishedApr 12
Latest updateApr 13

Description

In reinit of HeifDecoderImpl.cpp, there is a possible crash due to a missing null check. This could lead to remote persistent denial of service in the file picker with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-215002587

CVSS vector

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

Affected Packages3 packages

▶CVEListV5google/androidAndroid-11 Android-12 Android-12L
▶NVDgoogle/android11.0, 12.0, 12.1+2
▶Androidplatform/frameworks_av11:0 — 11:2022-04-01+2

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-w72v-vg94-fwxx: In reinit of HeifDecoderImpl↗2022-04-13
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CVEList
CVE-2021-39804: In reinit of HeifDecoderImpl↗2022-04-12
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OSV
CVE-2021-39804: In reinit of HeifDecoderImpl↗2022-04-01
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📋Vendor Advisories

1
Android
CVE-2021-39804: Android Security Bulletin 2022-04-01 CVE: CVE-2021-39804 Severity: HIGH Type: DoS Affected AOSP versions: 11, 12, 12L References: A-215002587↗2022-04-01
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CVE-2021-39804 — NULL Pointer Dereference in Google | cvebase