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**Name of the Vulnerable Software and Affected Versions** Firefox versions 109 and earlier Firefox ESR versions 102.7 and earlier **Description** The issue is related to memory safety bugs, which have shown evidence of memory corruption. It is presumed that with sufficient effort, some of these bugs could be exploited to run arbitrary code. The vulnerability is also described as a buffer overflow due to lack of input size validation, allowing a remote attacker to execute arbitrary code on the target system. **Recommendations** For Firefox versions 109 and earlier, update to version 110 or later. For Firefox ESR versions 102.7 and earlier, update to version 102.8 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox ESR versions 102.7 and earlier Thunderbird versions prior to 102.8 **Description** The issue is related to memory safety bugs, which can lead to memory corruption. With sufficient effort, these bugs could potentially be exploited to execute arbitrary code remotely. This affects both Firefox ESR and Thunderbird. **Recommendations** For Firefox ESR version 102.7 and earlier, update to version 102.8 or later. For Thunderbird versions prior to 102.8, update to version 102.8 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 91 **Description** The issue is related to a buffer overflow in memory, allowing a remote attacker to execute arbitrary code. It is associated with memory safety bugs that showed evidence of memory corruption, which could potentially be exploited. **Recommendations** For versions prior to 91, update to version 91 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive resources until the update is applied.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 82 Firefox ESR versions prior to 78.4 Thunderbird versions prior to 78.4 **Description** The issue is related to a buffer overflow due to insufficient input validation, potentially allowing a remote attacker to execute arbitrary code using a specially crafted web page. Memory safety bugs have been reported in Firefox and Firefox ESR, showing evidence of memory corruption, which could be exploited to run arbitrary code with sufficient effort. **Recommendations** For Firefox versions prior to 82, update to version 82 or later to resolve the issue. For Firefox ESR versions prior to 78.4, update to version 78.4 or later to resolve the issue. For Thunderbird versions prior to 78.4, update to version 78.4 or later to resolve the issue.

**Name of the Vulnerable Software and Affected Versions** Firefox ESR versions 68.7 through 68.7 Firefox versions 75 through 75 Thunderbird versions prior to 68.8.0 **Description** The issue is related to memory safety bugs, which can lead to memory corruption. With sufficient effort, these bugs could potentially be exploited to run arbitrary code. The vulnerability is also described as a buffer overflow in memory, which could allow a remote attacker to cause a denial of service. **Recommendations** For Firefox ESR version 68.7, update to version 68.8 or later. For Firefox version 75, update to version 76 or later. For Thunderbird versions prior to 68.8.0, update to version 68.8.0 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 71 **Description** The issue is related to memory safety bugs, including evidence of memory corruption, which could potentially be exploited to run arbitrary code. Exploitation of this issue may allow a remote attacker to access confidential data, compromise its integrity, and cause a denial of service. **Recommendations** For versions prior to 71, update to version 71 or later to resolve the issue.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 69 Firefox ESR versions prior to 68.2 Thunderbird versions prior to 68.2 **Description** The issue is related to a memory safety bug that can cause memory corruption in the accessibility engine. It is presumed that with sufficient effort, this bug could be exploited to run arbitrary code. The vulnerability is associated with a buffer overflow in memory, which could allow a remote attacker to execute arbitrary code. **Recommendations** For Firefox versions prior to 69, update to version 69 or later to resolve the issue. For Firefox ESR versions prior to 68.2, update to version 68.2 or later to resolve the issue. For Thunderbird versions prior to 68.2, update to version 68.2 or later to resolve the issue.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 69 Firefox ESR versions prior to 68.1 **Description** The issue is related to a buffer overflow due to unchecked input size, which could allow a remote attacker to gain unauthorized access to information and compromise its integrity and availability. There are memory safety bugs present, some of which show evidence of memory corruption, and it is presumed that these could be exploited to run arbitrary code with enough effort. **Recommendations** For Firefox versions prior to 69, update to version 69 or later to resolve the issue. For Firefox ESR versions prior to 68.1, update to version 68.1 or later to resolve the issue.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 69 **Description** The issue is related to a buffer overflow due to unverified input data. This could allow a remote attacker to gain unauthorized access to information and compromise its integrity and availability. There are memory safety bugs present, some of which show evidence of memory corruption, and it is presumed that these could be exploited to run arbitrary code. **Recommendations** For versions prior to 69, update to version 69 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive information 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 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 63 Firefox ESR versions prior to 60.3 Thunderbird versions prior to 60.3 **Description** The issue is caused by memory safety bugs, including evidence of memory corruption, which could potentially be exploited to run arbitrary code with enough effort. It is also described as a buffer overflow in memory, allowing a remote attacker to execute arbitrary code. **Recommendations** For Firefox versions prior to 63, update to version 63 or later. For Firefox ESR versions prior to 60.3, update to version 60.3 or later. For Thunderbird versions prior to 60.3, update to version 60.3 or later.

**Name of the Vulnerable Software and Affected Versions** Thunderbird versions prior to 60.2.1 Firefox ESR versions prior to 60.2.1 Firefox versions prior to 62.0.2 **Description** The issue is related to a potentially exploitable crash in TransportSecurityInfo used for SSL, which can be triggered by data stored in the local cache in the user profile directory. This problem is only exploitable in combination with another vulnerability that allows an attacker to write data into the local cache or from locally installed malware. Additionally, it can cause a non-exploitable startup crash for users switching between the Nightly and Release versions of Firefox if the same profile is used. The vulnerability is associated with insufficient input validation in the TransportSecurityInfo component. **Recommendations** For Thunderbird versions prior to 60.2.1, update to version 60.2.1 or later. For Firefox ESR versions prior to 60.2.1, update to version 60.2.1 or later. For Firefox versions prior to 62.0.2, update to version 62.0.2 or later.

Name of the Vulnerable Software and Affected Versions: Firefox ESR versions prior to 60.3 Thunderbird versions prior to 60.3 Description: The issue is related to an integer overflow, which may allow a remote attacker to execute arbitrary code. It has been reported that memory safety bugs are present, showing evidence of memory corruption, and it is presumed that these could be exploited with enough effort. Recommendations: For Firefox ESR versions prior to 60.3, update to version 60.3 or later. For Thunderbird versions prior to 60.3, update to version 60.3 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 59 Firefox ESR versions prior to 52.7 Thunderbird versions prior to 52.7 **Description** The issue is related to a buffer overflow in memory, which can be exploited by a remote attacker to gain unauthorized access to information and compromise its integrity and availability. Memory safety bugs were reported, showing evidence of memory corruption, and it is presumed that these could be exploited to run arbitrary code with enough effort. **Recommendations** For Firefox versions prior to 59, update to version 59 or later to resolve the issue. For Firefox ESR versions prior to 52.7, update to version 52.7 or later to resolve the issue. For Thunderbird versions prior to 52.7, update to version 52.7 or later to resolve the issue.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 59 **Description** The issue is related to a buffer data boundary operation overflow. It may allow a remote attacker to execute arbitrary code. Memory safety bugs were reported, showing evidence of memory corruption, which could potentially be exploited. **Recommendations** For versions prior to 59, update to version 59 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive data until the update is applied.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 58 **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 also described as a buffer data boundary operation issue, allowing a remote attacker to execute arbitrary code. **Recommendations** For versions prior to 58, update to version 58 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 55 Firefox ESR versions prior to 52.3 Thunderbird versions prior to 52.3 **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 55, update to version 55 or later. For Firefox ESR versions prior to 52.3, update to version 52.3 or later. For Thunderbird versions prior to 52.3, update to version 52.3 or later.

**Name of the Vulnerable Software and Affected Versions** Firefox versions prior to 56 **Description** The issue is related to memory safety bugs, including evidence of memory corruption, which could potentially be exploited to run arbitrary code. This is due to a buffer overflow in memory, allowing a remote attacker to execute arbitrary code. **Recommendations** For versions prior to 56, update to version 56 or later to resolve the issue. As a temporary workaround, consider restricting access to sensitive resources until the update is applied.