CVE-2020-11261

Memory corruption due to improper check to return error when user application requests memory...

7.8 HighIn KEVFix available

Memory corruption due to improper check to return error when user application requests memory allocation of a huge size in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.53%Up 1.2 points since Jun 9, 2021

What each source reports

NVD Score used 7.8

Record: CVE-2020-11261
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-787, CWE-20
Updated: 2026-11-02

CVE List 7.8

Record: CVE-2020-11261
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-20
Updated: 2026-11-02

EUVDEUVD-2020-3615 7.8

Record: EUVD-2020-3615
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-5cwq-39c4-23v7 7.8

Memory corruption due to improper check to return error when user application requests memory...

Record: GHSA-5cwq-39c4-23v7
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-20, CWE-787
Updated: 2026-11-02

CISA KEV No score

Qualcomm Multiple Chipsets Improper Input Validation Vulnerability

Record: CVE-2020-11261
Weakness: CWE-20
Updated: 2026-11-02

Affected products

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Affected packages

Affected packages
Package	Affected	Fixed
`:linux_kernel:Qualcomm` Android	SoCVersion:0 up to SoCVersion:2021-01-05, plus listed versions SoCVersion	SoCVersion:2021-01-05

History

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

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

In short

CVE-2020-11261 is a high vulnerability (CVSS 7.8) in Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, published January 1, 2021. CISA lists it as known to be exploited, since December 1, 2021. EUVD reports exploitation since December 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.53%, the 74th percentile. Fixed in :linux_kernel:Qualcomm SoCVersion:2021-01-05.