CVE-2021-26910

HighCVSS 7.0/10Last modified Jun 17, 2026

Description

Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 8, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-269117.4core/imap/MCIMAPSession.cpp in Canary Mail before 3.22 has Missing SSL Certificate Validation for IMAP in STARTTLS mode.CVE-2021-269128.1NetMotion Mobility before 11.73 and 12.x before 12.02 allows unauthenticated remote attackers to execute arbitrary code as SYSTEM because ofCVE-2021-269138.1NetMotion Mobility before 11.73 and 12.x before 12.02 allows unauthenticated remote attackers to execute arbitrary code as SYSTEM because ofCVE-2021-269148.1NetMotion Mobility before 11.73 and 12.x before 12.02 allows unauthenticated remote attackers to execute arbitrary code as SYSTEM because ofCVE-2021-269158.1NetMotion Mobility before 11.73 and 12.x before 12.02 allows unauthenticated remote attackers to execute arbitrary code as SYSTEM because ofCVE-2021-269166.1In nopCommerce 4.30, a Reflected XSS issue in the Discount Coupon component allows remote attackers to inject arbitrary web script or HTML tCVE-2021-269175.5PyBitmessage through 0.6.3.2 allows attackers to write screen captures to Potentially Unwanted Directories via a crafted apinotifypath valueCVE-2021-269189.8The ProBot bot through 2021-02-08 for Discord might allow attackers to interfere with the intended purpose of the "Send an image when a userCVE-2021-269198.8Apache Druid allows users to read data from other database systems using JDBC. This functionality is to allow trusted users with the proper CVE-2021-269206.5In the Druid ingestion system, the InputSource is used for reading data from a certain data source. However, the HTTP InputSource allows autCVE-2021-269216.5In util/session/sessionmanager.go in Argo CD before 1.8.4, tokens continue to work even when the user account is disabled.CVE-2021-269237.5An issue was discovered in Argo CD before 1.8.4. Accessing the endpoint /api/version leaks internal information for the system, and this end
CVE-2021-26910: High severity, CVSS 7.0 | Vulnix