Product:

Firefox

(Mozilla)
Date Id Summary Products Score Patch Annotated
2023-10-25 CVE-2023-5729 A malicious web site can enter fullscreen mode while simultaneously triggering a WebAuthn prompt. This could have obscured the fullscreen notification and could have been leveraged in a spoofing attack. This vulnerability affects Firefox < 119. Firefox 4.3
2023-10-25 CVE-2023-5730 Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1. Debian_linux, Firefox, Firefox_esr, Thunderbird 9.8
2023-10-25 CVE-2023-5731 Memory safety bugs present in Firefox 118. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 119. Firefox 9.8
2023-10-25 CVE-2023-5732 An attacker could have created a malicious link using bidirectional characters to spoof the location in the address bar when visited. This vulnerability affects Firefox < 117, Firefox ESR < 115.4, and Thunderbird < 115.4.1. Debian_linux, Firefox, Firefox_esr, Thunderbird 6.5
2023-11-21 CVE-2023-49060 An attacker could have accessed internal pages or data by ex-filtrating a security key from ReaderMode via the `referrerpolicy` attribute. This vulnerability affects Firefox for iOS < 120. Firefox 9.8
2023-11-21 CVE-2023-49061 An attacker could have performed HTML template injection via Reader Mode and exfiltrated user information. This vulnerability affects Firefox for iOS < 120. Firefox 6.1
2023-11-21 CVE-2023-6204 On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5. Debian_linux, Firefox, Firefox_esr, Thunderbird 6.5
2023-11-21 CVE-2023-6206 The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5. Debian_linux, Firefox, Firefox_esr, Thunderbird 5.4
2023-11-21 CVE-2023-6205 It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5. Debian_linux, Firefox, Firefox_esr, Thunderbird 6.5
2023-11-21 CVE-2023-6207 Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5. Debian_linux, Firefox, Firefox_esr, Thunderbird 8.8