CVE-2021-0519 — Out-of-bounds Write in Google Android

CWE-787 — Out-of-bounds Write7 documents6 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 85.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Platform External LibavcPlatform Frameworks AVGoogle Android
Timeline
PublishedAug 17
Latest updateMay 24

Description

In BITSTREAM_FLUSH of ih264e_bitstream.h, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local information disclosure 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-176533109

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 Packages4 packages

▶CVEListV5google/androidAndroid-10 Android-11 Android-8.1 Android-9
▶NVDgoogle/android4 versions+3
▶Androidplatform/frameworks_av10:0 — 10:2021-08-01
▶Androidplatform/external_libavc8.1:0 — 8.1:2021-08-01+3

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-3x4v-r279-87fr: In BITSTREAM_FLUSH of ih264e_bitstream↗2022-05-24
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CVEList
CVE-2021-0519: In BITSTREAM_FLUSH of ih264e_bitstream↗2021-08-17
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OSV
CVE-2021-0519: In BITSTREAM_FLUSH of ih264e_bitstream↗2021-08-01
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📋Vendor Advisories

1
Android
CVE-2021-0519: Android Security Bulletin 2021-08-01 CVE: CVE-2021-0519 Severity: HIGH Type: ID Affected AOSP versions: 10, 11 References: A-176533109↗2021-08-01
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🕵️Threat Intelligence

1
Qualys
Google Android August 2021 Security Patch Vulnerabilities: Discover and Take Remote Response Action Using VMDR for Mobile Devices↗2021-08-13
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CVE-2021-0519 — Out-of-bounds Write in Google Android | cvebase