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 28 of 152
CVE-2023-5732MEDIUMCVSS 6.5fixed in 117.0≥ unspecified, < 1172023-10-25
CVE-2023-5732 [MEDIUM] CVE-2023-5732: An attacker could have created a malicious link using bidirectional characters to spoof the location
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.
cvelistv5nvd
CVE-2023-5726MEDIUMCVSS 4.3fixed in 119.0≥ unspecified, < 1192023-10-25
CVE-2023-5726 [MEDIUM] CVE-2023-5726: A website could have obscured the full screen notification by using the file open dialog. This could
A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks.
*Note: This issue only affected macOS operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
cvelistv5nvd
CVE-2023-5758MEDIUMCVSS 6.1fixed in 119.02023-10-25
CVE-2023-5758 [MEDIUM] CWE-79 CVE-2023-5758: When opening a page in reader mode, the redirect URL could have caused attacker-controlled script to
When opening a page in reader mode, the redirect URL could have caused attacker-controlled script to execute in a reflected Cross-Site Scripting (XSS) attack. This vulnerability affects Firefox for iOS < 119.
nvd
CVE-2023-5721MEDIUMCVSS 4.3fixed in 119.0≥ unspecified, < 1192023-10-25
CVE-2023-5721 [MEDIUM] CWE-1021 CVE-2023-5721: It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally
It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
cvelistv5nvd
CVE-2023-5217HIGHCVSS 8.8KEVfixed in 115.3.1fixed in 118.0.1+1 more2023-09-28
CVE-2023-5217 [HIGH] CWE-787 CVE-2023-5217: Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1
Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
nvd
CVE-2023-5175CRITICALCVSS 9.8fixed in 118≥ unspecified, < 1182023-09-27
CVE-2023-5175 [CRITICAL] CWE-416 CVE-2023-5175: During process shutdown, it was possible that an `ImageBitmap` was created that would later be used
During process shutdown, it was possible that an `ImageBitmap` was created that would later be used after being freed from a different codepath, leading to a potentially exploitable crash. This vulnerability affects Firefox < 118.
cvelistv5nvdosv
CVE-2023-5168CRITICALCVSS 9.8fixed in 118≥ unspecified, < 1182023-09-27
CVE-2023-5168 [CRITICAL] CWE-787 CVE-2023-5168: A compromised content process could have provided malicious data to `FilterNodeD2D1` resulting in an
A compromised content process could have provided malicious data to `FilterNodeD2D1` resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process.
*This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbir
cvelistv5nvd
CVE-2023-5174CRITICALCVSS 9.8fixed in 118≥ unspecified, < 1182023-09-27
CVE-2023-5174 [CRITICAL] CWE-416 CVE-2023-5174: If Windows failed to duplicate a handle during process creation, the sandbox code may have inadverte
If Windows failed to duplicate a handle during process creation, the sandbox code may have inadvertently freed a pointer twice, resulting in a use-after-free and a potentially exploitable crash.
*This bug only affects Firefox on Windows when run in non-standard configurations (such as using `runas`). Other operating systems are unaffected.* This vul
cvelistv5nvd
CVE-2023-5176CRITICALCVSS 9.8fixed in 118≥ unspecified, < 1182023-09-27
CVE-2023-5176 [CRITICAL] CWE-787 CVE-2023-5176: Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. Some of these b
Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. 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 < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
cvelistv5nvd
CVE-2023-5172CRITICALCVSS 9.8fixed in 118≥ unspecified, < 1182023-09-27
CVE-2023-5172 [CRITICAL] CWE-416 CVE-2023-5172: A hashtable in the Ion Engine could have been mutated while there was a live interior reference, le
A hashtable in the Ion Engine could have been mutated while there was a live interior reference, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 118.
cvelistv5nvdosv
CVE-2023-5170HIGHCVSS 7.4fixed in 118.0≥ unspecified, < 1182023-09-27
CVE-2023-5170 [HIGH] CWE-401 CVE-2023-5170: In canvas rendering, a compromised content process could have caused a surface to change unexpectedl
In canvas rendering, a compromised content process could have caused a surface to change unexpectedly, leading to a memory leak of a privileged process. This memory leak could be used to effect a sandbox escape if the correct data was leaked. This vulnerability affects Firefox < 118.
cvelistv5nvdosv
CVE-2023-5173HIGHCVSS 7.5fixed in 118≥ unspecified, < 1182023-09-27
CVE-2023-5173 [HIGH] CWE-190 CVE-2023-5173: In a non-standard configuration of Firefox, an integer overflow could have occurred based on network
In a non-standard configuration of Firefox, an integer overflow could have occurred based on network traffic (possibly under influence of a local unprivileged webpage), leading to an out-of-bounds write to privileged process memory.
*This bug only affects Firefox if a non-standard preference allowing non-HTTPS Alternate Services (`network.http.altsvc.oe
cvelistv5nvdosv
CVE-2023-5169MEDIUMCVSS 6.5fixed in 118≥ unspecified, < 1182023-09-27
CVE-2023-5169 [MEDIUM] CWE-787 CVE-2023-5169: A compromised content process could have provided malicious data in a `PathRecording` resulting in a
A compromised content process could have provided malicious data in a `PathRecording` resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
cvelistv5nvdosv
CVE-2023-5171MEDIUMCVSS 6.5fixed in 118≥ unspecified, < 1182023-09-27
CVE-2023-5171 [MEDIUM] CWE-416 CVE-2023-5171: During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allo
During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a potentially exploitable crash. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.
cvelistv5nvd
CVE-2023-4863HIGHCVSS 8.8KEVfixed in 102.15.1fixed in 117.0.1+1 more2023-09-12
CVE-2023-4863 [HIGH] CWE-787 CVE-2023-4863: Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a
Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)
nvdosv
CVE-2023-4585HIGHCVSS 8.8fixed in 117.0≥ unspecified, < 1172023-09-11
CVE-2023-4585 [HIGH] CWE-787 CVE-2023-4585: Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1. Some of these b
Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1. 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 < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
cvelistv5nvd
CVE-2023-4582HIGHCVSS 8.8fixed in 117.0≥ unspecified, < 1172023-09-11
CVE-2023-4582 [HIGH] CWE-120 CVE-2023-4582: Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could h
Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could have occurred when allocating too much private shader memory on mac OS.
*This bug only affects Firefox on macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
cvelistv5nvd
CVE-2023-4583HIGHCVSS 7.5fixed in 117.0≥ unspecified, < 1172023-09-11
CVE-2023-4583 [HIGH] CWE-754 CVE-2023-4583: When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was
When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
cvelistv5nvd
CVE-2023-4584HIGHCVSS 8.8fixed in 117.0≥ 115.0, < 115.2+1 more2023-09-11
CVE-2023-4584 [HIGH] CWE-787 CVE-2023-4584: Memory safety bugs present in Firefox 116, Firefox ESR 102.14, Firefox ESR 115.1, Thunderbird 102.14
Memory safety bugs present in Firefox 116, Firefox ESR 102.14, Firefox ESR 115.1, Thunderbird 102.14, and Thunderbird 115.1. 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 < 117, Firefox ESR < 102.15, Firefox
cvelistv5nvd
CVE-2023-4576HIGHCVSS 8.6fixed in 117.0≥ 115.0, < 115.2+1 more2023-09-11
CVE-2023-4576 [HIGH] CWE-190 CVE-2023-4576: On Windows, an integer overflow could occur in `RecordedSourceSurfaceCreation` which resulted in a h
On Windows, an integer overflow could occur in `RecordedSourceSurfaceCreation` which resulted in a heap buffer overflow potentially leaking sensitive data that could have led to a sandbox escape.
*This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR
cvelistv5nvd