Firefox
Mozilla Firefox é um navegador livre e multiplataforma desenvolvido pela Mozilla Foundation com ajuda de centenas de colaboradores. A intenção da fundação é desenvolver um navegador leve, seguro, intuitivo e altamente extensível. Wikipédia
Firefox 77
Lançado em 02 de Junho de 2020 vem com as novidades:
- As recomendações de bolso, com algumas das melhores histórias da Web, aparecerão na nova guia do Firefox para nossos usuários no Reino Unido. Se você não os vir, poderá ativar os artigos do Pocket em sua nova guia, siga estas etapas.
- O WebRender continua sua distribuição para mais usuários do Firefox para Windows, agora disponíveis por padrão em laptops com Windows 10 executando em GPUs Nvidia com telas médias (<= 3440x1440) e grandes (> 3440x1440).
- Você pode visualizar e gerenciar certificados da Web com mais facilidade na nova página about: certificate.
Security Vulnerabilities fixed in Firefox 77
Announced
June 2, 2020
Impact
high
Products
Firefox
Fixed in
Firefox 77
#CVE-2020-12399: Timing attack on DSA signatures in NSS library
Reporter
Cesar Pereida Garcia and the Network and Information Security Group (NISEC) at Tampere University
Impact
high
Description
NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys.
References
Bug 1631576
#CVE-2020-12405: Use-after-free in SharedWorkerService
Reporter
Marcin 'Icewall' Noga of Cisco Talos
Impact
high
Description
When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash.
References
Bug 1631618
#CVE-2020-12406: JavaScript type confusion with NativeTypes
Reporter
Iain Ireland
Impact
high
Description
Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code.
References
Bug 1639590
#CVE-2020-12407: WebRender leaking GPU memory when using border-image CSS directive
Reporter
Nicolas Silva
Impact
moderate
Description
Mozilla Developer Nicolas Silva found that when using WebRender, Firefox would under certain conditions leak arbitrary GPU memory to the visible screen. The leaked memory content was visible to the user, but not observable from web content.
References
Bug 1637112
#CVE-2020-12408: URL spoofing when using IP addresses
Reporter
Rayyan Bijoora
Impact
low
Description
When browsing a document hosted on an IP address, an attacker could insert certain characters to flip domain and path information in the address bar.
References
Bug 1623888
#CVE-2020-12409: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9
Reporter
Mozilla developers
Impact
high
Description
Mozilla developers Tom Tung and Karl Tomlinson reported memory safety bugs present in Firefox 76 and Firefox ESR 68.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.
References
Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9
#CVE-2020-12411: Memory safety bugs fixed in Firefox 77
Reporter
Mozilla developers
Impact
high
Description
Mozilla developers :Gijs (he/him), Randell Jesup reported memory safety bugs present in Firefox 76. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.
References
Memory safety bugs fixed in Firefox 77
Instalação
Você pode aguardar a versão 77 chegar aos repositórios da sua distribuição, ou instalar o Firefox que atualiza automaticamente pela Mozilla a cada lançamento Stable.
Para sempre ter o Firefox atualizado na sua distribuição de pacotes GNU/Linux, confira a nossa matéria abaixo.
Instalar Firefox sempre atualizado na sua distribuição GNU/Linux
O método pode ser usado em qualquer distribuição GNU/Linux.
Ai está o Firefox 77.
Comentários
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olá, seja bem vindo ao Linux Dicas e suporte !!