Mozilla Firefox vulnerabilities
3,029 known vulnerabilities affecting mozilla/firefox.
Total CVEs
3,029
CISA KEV
15
actively exploited
Public exploits
121
Exploited in wild
20
Severity breakdown
CRITICAL853HIGH879MEDIUM1228LOW69
Vulnerabilities
Page 30 of 152
CVE-2023-4054MEDIUMCVSS 5.5fixed in 116.0≥ 102.0, < 102.14+2 more2023-08-01
CVE-2023-4054 [MEDIUM] CVE-2023-4054: When opening appref-ms files, Firefox did not warn the user that these files may contain malicious c
When opening appref-ms files, Firefox did not warn the user that these files may contain malicious code.
*This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 116, Firefox ESR < 102.14, Firefox ESR < 115.1, Thunderbird < 102.14, and Thunderbird < 115.1.
cvelistv5nvd
CVE-2023-4053MEDIUMCVSS 6.5fixed in 116.0≥ unspecified, < 1162023-08-01
CVE-2023-4053 [MEDIUM] CWE-59 CVE-2023-4053: A website could have obscured the full screen notification by using a URL with a scheme handled by a
A website could have obscured the full screen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird < 115.2.
cvelistv5nvd
CVE-2023-4045MEDIUMCVSS 5.3fixed in 116.0≥ 102.0, < 102.14+2 more2023-08-01
CVE-2023-4045 [MEDIUM] CWE-346 CVE-2023-4045: Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access
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. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
cvelistv5nvd
CVE-2023-3600HIGHCVSS 8.8fixed in 115.0.2≥ unspecified, < 115.0.22023-07-12
CVE-2023-3600 [HIGH] CWE-416 CVE-2023-3600: During the worker lifecycle, a use-after-free condition could have occurred, which could have led to
During the worker lifecycle, a use-after-free condition could have occurred, which could have led to a potentially exploitable crash. This vulnerability affects Firefox < 115.0.2, Firefox ESR < 115.0.2, and Thunderbird < 115.0.1.
cvelistv5nvdosv
CVE-2023-37455MEDIUMCVSS 5.4fixed in 1152023-07-12
CVE-2023-37455 [MEDIUM] CWE-1021 CVE-2023-37455: The permission request prompt from the site in the background tab was overlaid on top of the site in
The permission request prompt from the site in the background tab was overlaid on top of the site in the foreground tab. This vulnerability affects Firefox for iOS < 115.
nvd
CVE-2023-37456MEDIUMCVSS 6.5fixed in 1152023-07-12
CVE-2023-37456 [MEDIUM] CWE-476 CVE-2023-37456: The session restore helper crashed whenever there was no parameter sent to the message handler. This
The session restore helper crashed whenever there was no parameter sent to the message handler. This vulnerability affects Firefox for iOS < 115.
nvd
CVE-2023-37209HIGHCVSS 8.8fixed in 115.0≥ unspecified, < 1152023-07-05
CVE-2023-37209 [HIGH] CWE-416 CVE-2023-37209: A use-after-free condition existed in `NotifyOnHistoryReload` where a `LoadingSessionHistoryEntry` o
A use-after-free condition existed in `NotifyOnHistoryReload` where a `LoadingSessionHistoryEntry` object was freed and a reference to that object remained. This resulted in a potentially exploitable condition when the reference to that object was later reused. This vulnerability affects Firefox < 115.
cvelistv5nvdosv
CVE-2023-37212HIGHCVSS 8.8fixed in 115.0≥ unspecified, < 1152023-07-05
CVE-2023-37212 [HIGH] CWE-787 CVE-2023-37212: Memory safety bugs present in Firefox 114. Some of these bugs showed evidence of memory corruption a
Memory safety bugs present in Firefox 114. 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 < 115.
cvelistv5nvdosv
CVE-2023-37201HIGHCVSS 8.8fixed in 115.0≥ unspecified, < 1152023-07-05
CVE-2023-37201 [HIGH] CWE-416 CVE-2023-37201: An attacker could have triggered a use-after-free condition when creating a WebRTC connection over H
An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
cvelistv5nvdosv
CVE-2023-37203HIGHCVSS 7.8fixed in 115.0≥ unspecified, < 1152023-07-05
CVE-2023-37203 [HIGH] CVE-2023-37203: Insufficient validation in the Drag and Drop API in conjunction with social engineering, may have al
Insufficient validation in the Drag and Drop API in conjunction with social engineering, may have allowed an attacker to trick end-users into creating a shortcut to local system files. This could have been leveraged to execute arbitrary code. This vulnerability affects Firefox < 115.
cvelistv5nvdosv
CVE-2023-37211HIGHCVSS 8.8fixed in 115.0≥ unspecified, < 1152023-07-05
CVE-2023-37211 [HIGH] CWE-787 CVE-2023-37211: Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. Some of these
Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. 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 < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
cvelistv5nvd
CVE-2023-37208HIGHCVSS 7.8fixed in 115.0≥ unspecified, < 1152023-07-05
CVE-2023-37208 [HIGH] CWE-434 CVE-2023-37208: When opening Diagcab files, Firefox did not warn the user that these files may contain malicious cod
When opening Diagcab files, Firefox did not warn the user that these files may contain malicious code. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
cvelistv5nvd
CVE-2023-37202HIGHCVSS 8.8fixed in 115.0≥ unspecified, < 1152023-07-05
CVE-2023-37202 [HIGH] CWE-416 CVE-2023-37202: Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartmen
Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to be stored in the main compartment resulting in a use-after-free. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
cvelistv5nvd
CVE-2023-37207MEDIUMCVSS 6.5fixed in 115.0≥ unspecified, < 1152023-07-05
CVE-2023-37207 [MEDIUM] CWE-470 CVE-2023-37207: A website could have obscured the fullscreen notification by using a URL with a scheme handled by an
A website could have obscured the fullscreen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
cvelistv5nvd
CVE-2023-37210MEDIUMCVSS 6.5fixed in 115.0≥ unspecified, < 1152023-07-05
CVE-2023-37210 [MEDIUM] CWE-346 CVE-2023-37210: A website could prevent a user from exiting full-screen mode via alert and prompt calls. This could
A website could prevent a user from exiting full-screen mode via alert and prompt calls. This could lead to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115.
cvelistv5nvdosv
CVE-2023-37206MEDIUMCVSS 6.5fixed in 115.0≥ unspecified, < 1152023-07-05
CVE-2023-37206 [MEDIUM] CWE-59 CVE-2023-37206: Uploading files which contain symlinks may have allowed an attacker to trick a user into submitting
Uploading files which contain symlinks may have allowed an attacker to trick a user into submitting sensitive data to a malicious website. This vulnerability affects Firefox < 115.
cvelistv5nvdosv
CVE-2023-37204MEDIUMCVSS 6.5fixed in 115.0≥ unspecified, < 1152023-07-05
CVE-2023-37204 [MEDIUM] CVE-2023-37204: A website could have obscured the fullscreen notification by using an option element by introducing
A website could have obscured the fullscreen notification by using an option element by introducing lag via an expensive computational function. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115.
cvelistv5nvdosv
CVE-2023-37205MEDIUMCVSS 6.5fixed in 115.0≥ unspecified, < 1152023-07-05
CVE-2023-37205 [MEDIUM] CVE-2023-37205: The use of RTL Arabic characters in the address bar may have allowed for URL spoofing. This vulnerab
The use of RTL Arabic characters in the address bar may have allowed for URL spoofing. This vulnerability affects Firefox < 115.
cvelistv5nvdosv
CVE-2023-3482MEDIUMCVSS 6.5fixed in 115.0≥ unspecified, < 1152023-07-05
CVE-2023-3482 [MEDIUM] CWE-862 CVE-2023-3482: When Firefox is configured to block storage of all cookies, it was still possible to store data in l
When Firefox is configured to block storage of all cookies, it was still possible to store data in localstorage by using an iframe with a source of 'about:blank'. This could have led to malicious websites storing tracking data without permission. This vulnerability affects Firefox < 115.
cvelistv5nvdosv
CVE-2023-25736CRITICALCVSS 9.8fixed in 110.0≥ unspecified, < 1102023-06-19
CVE-2023-25736 [CRITICAL] CVE-2023-25736: An invalid downcast from `nsHTMLDocument` to `nsIContent` could have lead to undefined behavior. Thi
An invalid downcast from `nsHTMLDocument` to `nsIContent` could have lead to undefined behavior. This vulnerability affects Firefox < 110.
cvelistv5nvdosv