Firefox 74.0.1 fixes 2 0day update immediately

Firefox users should immediately update their browsers to version 74.0.1 to fix two bugs currently being exploited by .

Firefox

The update is here, in the announcement of the new Firefox 74.0.1, which was officially released late last night. The new version of Firefox includes vulnerability updates CVE-2020-6819 and CVE-2020-6820,. Both exist in the way Firefox manages its memory space.

The bugs are so-called user-after-free vulnerabilities, and allow hackers to place into Firefox's memory and run it in the program environment s. Such bugs can be used to execute code on the victim's devices, although the impact and scope of such an exploit usually varies from system to system.

Details of the attacks that took place and exploited these two bugs remain unknown - a common practice between software developers and security researchers, as they focus first on developing patches and then investigating the attacks.

Η Mozilla έδωσε credits στην JMP Security και στον ερευνητή ασφαλείας Francisco Alonso για την ανακάλυψη των δύο 0day.

In a tweet he posted today, Alonso said the bugs discovered could affect other browsers, though it is not known if they have been exploited yet.

This fixes the second 0day in Firefox this year. It was preceded by another in January, with the release of Firefox 72.0.1. This bug was used to attack users on and Japan, as part of a government-sponsored cyber espionage campaign, according to reports by Qihoo 360 and Japan CERT.

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Written by giorgos

George still wonders what he's doing here ...

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