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Severity
High
Analysis Summary
CVE-2021-29952
Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by a race condition in Web Render components. By persuading a victim to visit a specially crafted Web site, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVE-2021-29953
Mozilla Firefox for Android is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute JavaScript in the context of another domain, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
Impact
- Cross-Site Scripting
- Unauthorized Access
Affected Vendors
Mozilla
Affected Products
Mozilla Firefox For Android 88.1.2
Remediation
Refer to Mozilla Foundation Security Advisory 2021-20 for patch, upgrade or suggested workaround information.
https://www.mozilla.org/en-US/security/advisories/mfsa2021-20/
https://www.mozilla.org/en-US/security/advisories/mfsa2021-20/