André Bargull

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 148 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 **Description** A use-after-free issue exists in the JavaScript Engine’s JIT component. This can potentially allow for unexpected behavior. **Recommendations** Update Firefox to version 148 or later. Update Firefox ESR to version 140.8 or later. Update Thunderbird to version 148 or later. Update Thunderbird to version 140.8 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 148 Firefox ESR versions prior to 115.33 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 **Description** A use-after-free issue exists in the JavaScript Engine component. This can occur when memory is accessed after it has been freed, potentially leading to crashes or arbitrary code execution. **Recommendations** Update Firefox to version 148 or later. Update Firefox ESR to version 115.33 or later. Update Firefox ESR to version 140.8 or later. Update Thunderbird to version 148 or later. Update Thunderbird to version 140.8 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 148 Firefox ESR versions prior to 140.8 Thunderbird versions prior to 148 Thunderbird versions prior to 140.8 **Description** An integer overflow exists in the JavaScript: Standard Library component. This issue may allow for unexpected behavior or potentially compromise system integrity. **Recommendations** Update Firefox to version 148 or later. Update Firefox ESR to version 140.8 or later. Update Thunderbird to version 148 or later. Update Thunderbird to version 140.8 or later.

**Nome do Software Vulnerável e Versões Afetadas** Versões do Firefox anteriores à 134.0.2 Versões do Firefox ESR anteriores à 140.4.0 Versões do Thunderbird anteriores à 138.0 Versões do Thunderbird anteriores à 137.0 **Descrição** O software é afetado por falhas de segurança de memória que podem permitir a execução arbitrária de código. Essas falhas podem levar à corrupção de memória, potencialmente permitindo que um atacante explore o sistema ao induzir um usuário a abrir um site especialmente criado. Não há informações disponíveis sobre o número de dispositivos potencialmente afetados ou incidentes reais. O problema envolve uma falha ao validar corretamente os tamanhos de buffer durante operações de cópia de dados. **Recomendações** Atualize o Firefox para a versão 134.0.2 ou posterior. Atualize o Firefox ESR para a versão 140.4.0 ou posterior. Atualize o Thunderbird para a versão 138.0 ou posterior. Atualize o Thunderbird para a versão 137.0 ou posterior.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 118 Firefox ESR versions prior to 115.3 Thunderbird versions prior to 115.3 **Description** The issue is related to memory safety bugs, which have shown evidence of memory corruption. It is presumed that with enough effort, some of these bugs could be exploited to run arbitrary code. The vulnerability is also described as a buffer overflow in memory, which could allow a remote attacker to execute arbitrary code. **Recommendations** For Firefox versions prior to 118, update to version 118 or later. For Firefox ESR versions prior to 115.3, update to version 115.3 or later. For Thunderbird versions prior to 115.3, update to version 115.3 or later.

**Nome do software vulnerável e versões afetadas** Versões do Firefox anteriores à 85 Versões do Firefox ESR anteriores à 78.7 Versões do Thunderbird anteriores à 78.7 **Descrição** O problema está relacionado a falhas de segurança na memória, incluindo indícios de corrupção de memória, que poderiam ser potencialmente exploradas para executar código arbitrário com esforço suficiente. Também é descrita como uma vulnerabilidade de estouro de buffer na memória, permitindo que um invasor remoto execute código arbitrário. **Recomendações** Para versões do Firefox anteriores à 85, atualize para a versão 85 ou posterior. Para versões do Firefox ESR anteriores à 78.7, atualize para a versão 78.7 ou posterior. Para versões do Thunderbird anteriores à 78.7, atualize para a versão 78.7 ou posterior.

**Nome do software vulnerável e versões afetadas** Versões do Google Chrome anteriores à 87.0.4280.88 **Descrição** O problema está relacionado a um uso de memória não inicializada no motor JavaScript V8 do Google Chrome, o que pode permitir que um invasor remoto obtenha informações potencialmente confidenciais da memória do processo. Isso pode ser feito por meio de uma página HTML especialmente criada. **Recomendações** Para versões anteriores à 87.0.4280.88, atualize para a versão 87.0.4280.88 ou posterior para resolver o problema.

**Nome do software vulnerável e versões afetadas** Versões do macOS Big Sur anteriores à 11.3 Versões do iOS anteriores à 14.5 Versões do iPadOS anteriores à 14.5 Versões do watchOS anteriores à 7.4 Versões do tvOS anteriores à 14.5 **Descrição** Um problema de inicialização de memória foi resolvido com o aprimoramento do gerenciamento de memória. O processamento de conteúdo da web criado de forma maliciosa pode resultar na divulgação da memória do processo. Esse problema está relacionado à divulgação de informações em uma área de dados incorreta, o que pode ser explorado por um invasor remoto para obter acesso a dados confidenciais. **Recomendações** Para versões do macOS Big Sur anteriores à 11.3, atualize para o macOS Big Sur 11.3 para resolver o problema. Para versões do iOS anteriores à 14.5, atualize para o iOS 14.5 para resolver o problema. Para versões do iPadOS anteriores à 14.5, atualize para o iPadOS 14.5 para resolver o problema. Para versões do watchOS anteriores à 7.4, atualize para o watchOS 7.4 para resolver o problema. Para versões do tvOS anteriores à 14.5, atualize para o tvOS 14.5 para resolver o problema.

**Nome do software vulnerável e versões afetadas** Versões do Firefox ESR de 68.7 a 68.7 Versões do Firefox de 75 a 75 Versões do Thunderbird anteriores à 68.8.0 **Descrição** O problema está relacionado a falhas de segurança de memória, que podem levar à corrupção de memória. Com esforço suficiente, essas falhas poderiam ser exploradas para executar código arbitrário. A vulnerabilidade também é descrita como um estouro de buffer na memória, o que poderia permitir que um invasor remoto causasse uma negação de serviço. **Recomendações** Para o Firefox ESR versão 68.7, atualize para a versão 68.8 ou posterior. Para o Firefox versão 75, atualize para a versão 76 ou posterior. Para as versões do Thunderbird anteriores à 68.8.0, atualize para a versão 68.8.0 ou posterior.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 68 **Description** The issue is related to memory safety bugs, including evidence of memory corruption, which could potentially be exploited to run arbitrary code. It is also described as a buffer data boundary operation vulnerability, where exploitation could allow a remote attacker to execute arbitrary code. **Recommendations** For versions prior to 68, update to version 68 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive data and minimizing browser usage until the update is applied.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 67 **Description** The issue is related to memory safety bugs, including evidence of memory corruption, which could potentially be exploited to run arbitrary code. It is also described as a buffer overflow vulnerability in memory, allowing a remote attacker to access confidential data, compromise its integrity, and cause a denial of service. **Recommendations** For versions prior to 67, update to version 67 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive data and implementing additional security measures to minimize the risk of exploitation.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 66 **Description** The issue is related to memory safety bugs, including evidence of memory corruption, which could potentially be exploited to run arbitrary code. It is also described as a buffer overflow vulnerability in memory, allowing a remote attacker to access confidential data, compromise its integrity, and cause a denial of service. **Recommendations** For versions prior to 66, update to version 66 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive data and minimizing browser usage until the update is applied.

Name of the Vulnerable Software and Affected Versions: Firefox versions prior to 64 Description: The issue is related to memory safety bugs, including evidence of memory corruption, which could potentially be exploited to run arbitrary code. It is also described as a buffer overflow vulnerability in memory, allowing a remote attacker to access confidential data, compromise its integrity, and cause a denial of service. Recommendations: For versions prior to 64, update to version 64 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive data and minimizing browser usage until the update is applied.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 57 Firefox ESR versions prior to 52.5 Thunderbird versions prior to 52.5 **Description** The issue is related to a buffer overflow in memory, which can be exploited by a remote attacker to execute arbitrary code. This is due to memory safety bugs that have been reported, some of which show evidence of memory corruption. It is presumed that with sufficient effort, these bugs could be exploited to run arbitrary code. **Recommendations** For Firefox versions prior to 57, update to version 57 or later. For Firefox ESR versions prior to 52.5, update to version 52.5 or later. For Thunderbird versions prior to 52.5, update to version 52.5 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 54 Firefox ESR versions prior to 52.2 Thunderbird versions prior to 52.2 **Description** The issue is related to memory safety bugs, including evidence of memory corruption, which could potentially be exploited to run arbitrary code. The vulnerability is associated with a buffer overflow in memory, allowing a remote attacker to execute arbitrary code. **Recommendations** For Firefox versions prior to 54, update to version 54 or later. For Firefox ESR versions prior to 52.2, update to version 52.2 or later. For Thunderbird versions prior to 52.2, update to version 52.2 or later.

**Name of the Vulnerable Software and Affected Versions** iOS versions prior to 10.3 Safari versions prior to 10.1 **Description** The issue is related to insufficient access control in the WebKit component, which can be exploited by a remote attacker using a specially crafted website to spoof the address bar. **Recommendations** For iOS versions prior to 10.3, update to version 10.3 or later to resolve the issue. For Safari versions prior to 10.1, update to version 10.1 or later to resolve the issue.

**Name of the Vulnerable Software and Affected Versions** iOS versions prior to 10.3 Safari versions prior to 10.1 tvOS versions prior to 10.2 **Description** The issue involves the WebKit component and allows remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted web site. It is related to insufficient access control in the WebKit component of Safari and iOS, which can be exploited by a remote attacker to bypass existing access restrictions or obtain confidential information using a specially crafted website. **Recommendations** For iOS versions prior to 10.3, update to version 10.3 or later. For Safari versions prior to 10.1, update to version 10.1 or later. For tvOS versions prior to 10.2, update to version 10.2 or later. As a temporary workaround, consider restricting access to the WebKit component until a patch is available.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 52 Firefox ESR versions prior to 45.8 Thunderbird versions prior to 52 Thunderbird versions prior to 45.8 **Description** Memory safety bugs were reported, showing evidence of memory corruption. It is presumed that with enough effort, some of these bugs could be exploited to run arbitrary code. **Recommendations** For Firefox versions prior to 52, update to version 52 or later. For Firefox ESR versions prior to 45.8, update to version 45.8 or later. For Thunderbird versions prior to 52, update to version 52 or later. For Thunderbird versions prior to 45.8, update to version 45.8 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 52 Thunderbird versions prior to 52 **Description** Memory safety bugs were reported, showing evidence of memory corruption. It is presumed that with enough effort, some of these bugs could be exploited to run arbitrary code. **Recommendations** For Firefox versions prior to 52, update to version 52 or later. For Thunderbird versions prior to 52, update to version 52 or later.

**Name of the Vulnerable Software and Affected Versions** iOS versions prior to 10.2 macOS versions prior to 10.12.2 watchOS versions prior to 3.1.3 **Description** The issue involves the `ICU` component and allows remote attackers to execute arbitrary code or cause a denial of service via a crafted web site, resulting in memory corruption and application crash. **Recommendations** For iOS versions prior to 10.2, update to version 10.2 or later. For macOS versions prior to 10.12.2, update to version 10.12.2 or later. For watchOS versions prior to 3.1.3, update to version 3.1.3 or later.