Vulnerabilities > Mozilla > Firefox ESR > High

DATE CVE VULNERABILITY TITLE RISK
2023-11-21 CVE-2023-6207 Use After Free vulnerability in multiple products
Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
network
low complexity
mozilla debian CWE-416
8.8
2023-11-21 CVE-2023-6208 When using X11, text selected by the page using the Selection API was erroneously copied into the primary selection, a temporary storage not unlike the clipboard. *This bug only affects Firefox on X11.
network
low complexity
mozilla debian
8.8
2023-11-21 CVE-2023-6212 Out-of-bounds Write vulnerability in multiple products
Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4.
network
low complexity
mozilla debian CWE-787
8.8
2023-10-25 CVE-2023-5724 Drivers are not always robust to extremely large draw calls and in some cases this scenario could have led to a crash.
network
low complexity
mozilla debian
7.5
2023-10-25 CVE-2023-5728 During garbage collection extra operations were performed on a object that should not be.
network
low complexity
mozilla debian
7.5
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-2023-4582 Classic Buffer Overflow vulnerability in Mozilla Firefox
Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could have occured when allocating too much private shader memory on mac OS.
network
low complexity
mozilla CWE-120
8.8
2023-09-11 CVE-2023-4583 Unspecified vulnerability in Mozilla Thunderbird
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.
network
low complexity
mozilla
7.5
2023-09-11 CVE-2023-4584 Out-of-bounds Write vulnerability in Mozilla Thunderbird
Memory safety bugs present in Firefox 116, Firefox ESR 102.14, Firefox ESR 115.1, Thunderbird 102.14, and Thunderbird 115.1.
network
low complexity
mozilla CWE-787
8.8
2023-09-11 CVE-2023-4585 Out-of-bounds Write vulnerability in Mozilla Thunderbird
Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1.
network
low complexity
mozilla CWE-787
8.8