Mozilla Foundation Security Advisory 2020-11
Security Vulnerabilities fixed in Firefox 74.0.1 and Firefox ESR 68.6.1
- Announced
- April 3, 2020
- Impact
- critical
- Products
- Firefox, Firefox ESR
- Fixed in
-
- Firefox 74.0.1
- Firefox ESR 68.6.1
- Reporter
- Francisco Alonso @revskills working with Javier Marcos of @JMPSec
- Impact
- critical
Description
Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw.
References
- Reporter
- Francisco Alonso @revskills working with Javier Marcos of @JMPSec
- Impact
- critical
Description
Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw.
References
Vulmon