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CVE-2021-0325

In ih264d_parse_pslice of ih264d_parse_pslice.c, there is a possible out of bounds write due to a...

8.8 HighPublic exploitFix available

In ih264d_parse_pslice of ih264d_parse_pslice.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-174238784

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.29%Up 1.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

In ih264d_parse_pslice of ih264d_parse_pslice.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-174238784

Record
CVE-2021-0325
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

In ih264d_parse_pslice of ih264d_parse_pslice.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-174238784

Record
CVE-2021-0325
Updated
2026-11-02
EUVDEUVD-2021-2944 No score

In ih264d_parse_pslice of ih264d_parse_pslice.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-174238784

Record
EUVD-2021-2944
Updated
2026-11-03
GitHub AdvisoriesGHSA-w93q-c5fh-q4hj No score

In ih264d_parse_pslice of ih264d_parse_pslice.c, there is a possible out of bounds write due to a...

In ih264d_parse_pslice of ih264d_parse_pslice.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-174238784

Record
GHSA-w93q-c5fh-q4hj
Weakness
CWE-787
Updated
2026-11-02
OSVASB-A-174238784 No score

In ih264d_parse_pslice of ih264d_parse_pslice.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation.

Record
ASB-A-174238784
Updated
2026-11-05

Affected products

Affected packages

Affected packages
PackageAffectedFixed
platform/external/libavc
Android
8.0:0 up to 8.0:2021-02-01, plus listed versions
8.0
8.0:2021-02-01
platform/external/libavc
Android
8.1:0 up to 8.1:2021-02-01, plus listed versions
8.1
8.1:2021-02-01
platform/external/libavc
Android
9:0 up to 9:2021-02-01, plus listed versions
9
9:2021-02-01
platform/external/libavc
Android
10:0 up to 10:2021-02-01, plus listed versions
10
10:2021-02-01
platform/external/libavc
Android
11:0 up to 11:2021-02-01, plus listed versions
11
11:2021-02-01

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubnanopathi/external_libavc_AOSP10_r33_CVE-2021-03252022-04-01

History

History
RecordedChangedSources
factsOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-0325 is a high vulnerability (CVSS 8.8) in Google Android, published February 1, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.29%, the 83rd percentile. Fixed in platform/external/libavc 8.0:2021-02-01.

References

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