CVE-2021-0515

In Factory::CreateStrictFunctionMap of factory.cc, there is a possible out of bounds write due to...

9.8 CriticalFix available

In Factory::CreateStrictFunctionMap of factory.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote code execution in an unprivileged process with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-167389063

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: High
Integrity: High
Availability: High

Exploit likelihood

1.44%Up 0.5 points since Jul 15, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2021-0515
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-787
Updated: 2026-11-02

CVE List No score

Record: CVE-2021-0515
Updated: 2026-11-02

EUVDEUVD-2021-3134 No score

Record: EUVD-2021-3134
Updated: 2026-11-03

GitHub AdvisoriesGHSA-x5jx-rjh5-hhmx No score

In Factory::CreateStrictFunctionMap of factory.cc, there is a possible out of bounds write due to...

Record: GHSA-x5jx-rjh5-hhmx
Weakness: CWE-787
Updated: 2026-11-02

OSVASB-A-167389063 No score

Record: ASB-A-167389063
Updated: 2026-11-02

Affected products

google android

Affected packages

Affected packages
Package	Affected	Fixed
`platform/external/chromium-libpac` Android	8.1:0 up to 8.1:2021-07-05, plus listed versions 8.1	8.1:2021-07-05
`platform/external/v8` Android	8.1:0 up to 8.1:2021-07-05, plus listed versions 8.1	8.1:2021-07-05
`platform/external/chromium-libpac` Android	9:0 up to 9:2021-07-05, plus listed versions 9	9:2021-07-05
`platform/external/v8` Android	9:0 up to 9:2021-07-05, plus listed versions 9	9:2021-07-05
`platform/external/chromium-libpac` Android	10:0 up to 10:2021-07-05, plus listed versions 10	10:2021-07-05
`platform/external/v8` Android	10:0 up to 10:2021-07-05, plus listed versions 10	10:2021-07-05
`platform/external/chromium-libpac` Android	11:0 up to 11:2021-07-05, plus listed versions 11	11:2021-07-05
`platform/external/v8` Android	11:0 up to 11:2021-07-05, plus listed versions 11	11:2021-07-05

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2021-0515 is a critical vulnerability (CVSS 9.8) in Google Android, published July 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.44%, the 73rd percentile. Fixed in platform/external/chromium-libpac 8.1:2021-07-05.