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Jan Varga

Researcher fromMozilla
#11581of 60,391
27.6Total CVSS
Vulnerabilities · 3
High
1
Critical
2
PT-2023-7975
2023-12-19
7.8
CVE-2023-6865
Mozilla
Firefox
The issue is related to the `EncryptingOutputStream` being susceptible to exposing uninitialized data. This could be abused to write data to a local disk, potentially affecting private browsing mode. The vulnerability may allow a remote attacker to disclose protected information.
PT-2019-4077
2019-05-21
10
CVE-2019-9800
Mozilla
Firefox Esr
The issue is related to memory safety bugs, which can lead to 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 data boundary operation issue, which can allow a remote attacker to cause a denial of service and disrupt data integrity.
PT-2019-4540
2019-04-26
9.8
CVE-2019-9814
Mozilla
Firefox
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.