CVE-2023-25751

Affected: Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird

Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be overwritten incorrectly. This could lead to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.

USN-5954-1 — firefox vulnerabilities

Affected: Ubuntu:18.04:LTS: firefox, Ubuntu:20.04:LTS: firefox

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. (CVE-2023-25750, CVE-2023-25752, CVE-2023-28162, CVE-2023-28176, CVE-2023-28177)

Lukas Bernhard discovered that Firefox did not properly manage memory when invalidating JIT code while following an iterator. An attacker could potentially exploits this issue to cause a denial of service. (CVE-2023-25751)

Rob Wu discovered that Firefox did not properly manage the URLs when following a redirect to a publicly accessible web extension file. An attacker could potentially exploits this to obtain sensitive information. (CVE-2023-28160)

Luan Herrera discovered that Firefox did not properly manage cross-origin iframe when dragging a URL. An attacker could potentially exploit this issue to perform spoofing attacks. (CVE-2023-28164)

Khiem Tran discovered that Firefox did not properly manage one-time permissions granted to a document loaded using a file: URL. An attacker could potentially exploit this issue to use granted one-time permissions on the local files came from different sources. (CVE-2023-28161)

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CVE-2023-25751

USN-5954-1 — firefox vulnerabilities