#CVE-2023-4052: File deletion and privilege escalation through Firefox uninstaller Reporter ycdxsb Impact moderate Description This resulted in a potentially exploitable crash which could have led to a sandbox escape. In some cases, an untrusted input stream was copied to a stack buffer without checking its size. #CVE-2023-4050: Stack buffer overflow in StorageManager Reporter Mark Brand Impact high Description These could have resulted in potentially exploitable use-after-free vulnerabilities. Race conditions in reference counting code were found through code inspection. #CVE-2023-4049: Fix potential race conditions when releasing platform objects Reporter Nika Layzell Impact high Description #CVE-2023-4048: Crash in DOMParser due to out-of-memory conditions Reporter Irvan Kurniawan Impact high DescriptionĪn out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations. #CVE-2023-4047: Potential permissions request bypass via clickjacking Reporter Axel Chong Impact high DescriptionĪ bug in popup notifications delay calculation could have made it possible for an attacker to trick a user into granting permissions. This resulted in incorrect compilation and a potentially exploitable crash in the content process. In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. #CVE-2023-4046: Incorrect value used during WASM compilation Reporter Alexander Guryanov Impact high Description Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from another site in violation of same-origin policy. #CVE-2023-4045: Offscreen Canvas could have bypassed cross-origin restrictions Reporter Max Vlasov Impact high Description In general, these flaws cannot be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but are potentially risks in browser or browser-like contexts. Mozilla Foundation Security Advisory 2023-33 Security Vulnerabilities fixed in Thunderbird 115.1 Announced AugImpact high Products Thunderbird Fixed in
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