Mozilla Firefox/Thunderbird/Firefox ESR Fetch API Crash denial of service

A vulnerability was found in Mozilla Firefox, Thunderbird and Firefox ESR (Web Browser) (affected version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Fetch API. The manipulation with an unknown input leads to a denial of service vulnerability (Crash). The CWE definition for the vulnerability is CWE-404. As an impact it is known to affect availability.

The weakness was disclosed 07/23/2019. This vulnerability is known as CVE-2019-9819 since 03/14/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/23/2019).

Upgrading eliminates this vulnerability.

The entries 138518, 138516, 138515 and 138514 are pretty similar.

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox
• Firefox ESR
• Thunderbird

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VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Denial of service / Crash (CWE-404)
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

03/14/2019 CVE assigned
07/23/2019 +131 days Advisory disclosed
07/23/2019 +0 days VulDB entry created
07/23/2019 +0 days VulDB last updateVendor: mozilla.org
CVE: CVE-2019-9819 (🔒)
See also: 🔒Created: 07/23/2019 10:02 PM
Complete: 🔍

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