CVE-2021-0313
In isWordBreakAfter of LayoutUtils.cpp, there is a possible way to slow or crash a TextView due...
CVE-2021-0313 is a high vulnerability (CVSS 7.5) in Google Android, published January 1, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.68%, the 77th percentile. Fixed in platform/frameworks/minikin 8.0:2021-01-01.
- Severity
- 7.5 HighCVSS 3.1, NVD
- Exploit chance
- 1.68%EPSS, 77th percentile
- Exploitation
- None known1 public exploit
- Fixed in
8.0:2021-01-01platform/frameworks/minikin +4 more
Description
In isWordBreakAfter of LayoutUtils.cpp, there is a possible way to slow or crash a TextView due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-9, Android-10, Android-11, Android-8.0, Android-8.1; Android ID: A-170968514.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/minikinAndroid | 8.0:0 up to 8.0:2021-01-01, plus listed versions 8.0 | 8.0:2021-01-01 |
platform/frameworks/minikinAndroid | 8.1:0 up to 8.1:2021-01-01, plus listed versions 8.1 | 8.1:2021-01-01 |
platform/frameworks/minikinAndroid | 9:0 up to 9:2021-01-01, plus listed versions 9 | 9:2021-01-01 |
platform/frameworks/minikinAndroid | 10:0 up to 10:2021-01-01, plus listed versions 10 | 10:2021-01-01 |
platform/frameworks/minikinAndroid | 11:0 up to 11:2021-01-01, plus listed versions 11 | 11:2021-01-01 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Satheesh575555/frameworks_minikin_AOSP10_r33_CVE-2021-0313 | 2022-04-29 |
What each source reports
NVD Score used
In isWordBreakAfter of LayoutUtils.cpp, there is a possible way to slow or crash a TextView due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-9, Android-10, Android-11, Android-8.0, Android-8.1; Android ID: A-170968514.
- Record
CVE-2021-0313- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE ListNo score
In isWordBreakAfter of LayoutUtils.cpp, there is a possible way to slow or crash a TextView due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-9, Android-10, Android-11, Android-8.0, Android-8.1; Android ID: A-170968514.
- Record
CVE-2021-0313- Updated
- 2026-11-02
EUVDEUVD-2021-2932No score
In isWordBreakAfter of LayoutUtils.cpp, there is a possible way to slow or crash a TextView due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-9, Android-10, Android-11, Android-8.0, Android-8.1; Android ID: A-170968514.
- Record
EUVD-2021-2932- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jrrf-28xq-3v3xNo score
In isWordBreakAfter of LayoutUtils.cpp, there is a possible way to slow or crash a TextView due...
In isWordBreakAfter of LayoutUtils.cpp, there is a possible way to slow or crash a TextView due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-9, Android-10, Android-11, Android-8.0, Android-8.1; Android ID: A-170968514.
- Record
GHSA-jrrf-28xq-3v3x- Weakness
- CWE-20
- Updated
- 2026-11-02
OSVASB-A-170968514No score
In isWordBreakAfter of LayoutUtils.cpp, there is a possible way to slow or crash a TextView due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-170968514- Updated
- 2026-11-09
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.