Mozilla Firefox/Firefox ESR/Thunderbird SMIL Animation Controller Use-After-Free memory corruption – Digitalmunition

Exploit/Advisories Cybersecurity study of the dark web exposes vulnerability to machine identities -- ScienceDaily

Published on April 27th, 2019 📆 | 3174 Views ⚑


Mozilla Firefox/Firefox ESR/Thunderbird SMIL Animation Controller Use-After-Free memory corruption

CVSS Meta Temp ScoreCurrent Exploit Price (≈)

A vulnerability was found in Mozilla Firefox, Firefox ESR and Thunderbird (Mail Client Software). It has been declared as critical. Affected by this vulnerability is a code block of the component SMIL Animation Controller. The manipulation with an unknown input leads to a memory corruption vulnerability (Use-After-Free). The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 04/26/2019. This vulnerability is known as CVE-2019-9796 since 03/14/2019. The attack can be launched remotely. The exploitation doesn’t need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/27/2019).

Upgrading eliminates this vulnerability.

Entries connected to this vulnerability are available at 134157, 134158, 134159 and 134160.



VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: ?
VulDB Reliability: ?


VulDB Base Score: ?
VulDB Temp Score: ?
VulDB Reliability: ?
Class: Memory corruption / Use-After-Free (CWE-119)
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
04/26/2019 +43 days Advisory disclosed
04/27/2019 +1 days VulDB entry created
04/27/2019 +0 days VulDB last updateCVE: CVE-2019-9796 (?)
See also: ?Created: 04/27/2019 09:05 AM
Complete: ?


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