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CVE-2021-0690

In ih264d_mark_err_slice_skip of ih264d_parse_pslice.c, there is a possible out of bounds write...

6.5 MediumFix available

In ih264d_mark_err_slice_skip of ih264d_parse_pslice.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-182152757

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
None
Availability
None

Exploit likelihood

0.80%Down 0.1 points since Oct 7, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

In ih264d_mark_err_slice_skip of ih264d_parse_pslice.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-182152757

Record
CVE-2021-0690
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

In ih264d_mark_err_slice_skip of ih264d_parse_pslice.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-182152757

Record
CVE-2021-0690
Updated
2026-11-02
EUVDEUVD-2021-3309 No score

In ih264d_mark_err_slice_skip of ih264d_parse_pslice.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-182152757

Record
EUVD-2021-3309
Updated
2026-11-03
GitHub AdvisoriesGHSA-55mp-m5pq-c8c3 No score

In ih264d_mark_err_slice_skip of ih264d_parse_pslice.c, there is a possible out of bounds write...

In ih264d_mark_err_slice_skip of ih264d_parse_pslice.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-182152757

Record
GHSA-55mp-m5pq-c8c3
Weakness
CWE-787
Updated
2026-11-02
OSVASB-A-182152757 No score

In ih264d_mark_err_slice_skip of ih264d_parse_pslice.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.

Record
ASB-A-182152757
Updated
2026-11-05

Affected products

Affected packages

Affected packages
PackageAffectedFixed
platform/external/libavc
Android
8.1:0 up to 8.1:2021-09-01, plus listed versions
8.1
8.1:2021-09-01
platform/external/libavc
Android
9:0 up to 9:2021-09-01, plus listed versions
9
9:2021-09-01
platform/external/libavc
Android
10:0 up to 10:2021-09-01, plus listed versions
10
10:2021-09-01
platform/external/libavc
Android
11:0 up to 11:2021-09-01, plus listed versions
11
11:2021-09-01

History

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

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

In short

CVE-2021-0690 is a medium vulnerability (CVSS 6.5) in Google Android, published September 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 56th percentile. Fixed in platform/external/libavc 8.1:2021-09-01.

References

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