Vulnerabilities > Mozilla > Firefox > 21.0

DATE CVE VULNERABILITY TITLE RISK
2023-09-27 CVE-2023-5175 Use After Free vulnerability in Mozilla Firefox
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.
network
low complexity
mozilla CWE-416
critical
9.8
2023-09-27 CVE-2023-5176 Out-of-bounds Write vulnerability in multiple products
Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2.
network
low complexity
mozilla debian CWE-787
critical
9.8
2023-09-12 CVE-2023-4863 Out-of-bounds Write vulnerability in multiple products
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.
8.8
2023-09-11 CVE-2023-4574 Use After Free vulnerability in Mozilla Thunderbird
When creating a callback over IPC for showing the Color Picker window, multiple of the same callbacks could have been created at a time and eventually all simultaneously destroyed as soon as one of the callbacks finished.
network
low complexity
mozilla CWE-416
6.5
2023-09-11 CVE-2023-4575 Use After Free vulnerability in Mozilla Thunderbird
When creating a callback over IPC for showing the File Picker window, multiple of the same callbacks could have been created at a time and eventually all simultaneously destroyed as soon as one of the callbacks finished.
network
low complexity
mozilla CWE-416
6.5
2023-09-11 CVE-2023-4576 Integer Overflow or Wraparound vulnerability in Mozilla Firefox
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.
network
low complexity
mozilla CWE-190
8.6
2023-09-11 CVE-2023-4577 Unspecified vulnerability in Mozilla Thunderbird
When `UpdateRegExpStatics` attempted to access `initialStringHeap` it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash.
network
low complexity
mozilla
6.5
2023-09-11 CVE-2023-4578 Allocation of Resources Without Limits or Throttling vulnerability in Mozilla Thunderbird
When calling `JS::CheckRegExpSyntax` a Syntax Error could have been set which would end in calling `convertToRuntimeErrorAndClear`.
network
low complexity
mozilla CWE-770
6.5
2023-09-11 CVE-2023-4579 Unspecified vulnerability in Mozilla Firefox
Search queries in the default search engine could appear to have been the currently navigated URL if the search query itself was a well formed URL.
network
high complexity
mozilla
3.1
2023-09-11 CVE-2023-4580 Missing Encryption of Sensitive Data vulnerability in Mozilla Thunderbird
Push notifications stored on disk in private browsing mode were not being encrypted potentially allowing the leak of sensitive information.
network
low complexity
mozilla CWE-311
6.5