Browse high-severity CVEs

Firefox HIGH 8.8

CVE-2021-23964

Mozilla developers reported memory safety bugs present in Firefox 84 and Firefox ESR 78.6. Some of these bugs showed evidence of memory corruption an…

Fix: 78.7 / 85.0+

Fix from $1,950 2021-02-26

Firefox HIGH 8.8

CVE-2021-23965

Mozilla developers reported memory safety bugs present in Firefox 84. Some of these bugs showed evidence of memory corruption and we presume that wit…

Fix: 85.0+

Fix from $1,950 2021-02-26

Firefox HIGH 8.8

CVE-2021-23978

Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. Some of these bugs showed evidence of memory corruption an…

Fix: 78.8 / 86.0+

Fix from $1,950 2021-02-26

Firefox HIGH 8.8

CVE-2021-23979

Mozilla developers reported memory safety bugs present in Firefox 85. Some of these bugs showed evidence of memory corruption and we presume that wit…

Fix: 86.0+

Fix from $1,950 2021-02-26

Firefox HIGH 8.8

CVE-2020-26974

When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a he…

Fix: 78.6.0 / 84.0+

Fix from $1,950 2021-01-07

Firefox HIGH 8.8

CVE-2020-35113

Mozilla developers reported memory safety bugs present in Firefox 83 and Firefox ESR 78.5. Some of these bugs showed evidence of memory corruption an…

Fix: 78.6.0 / 84.0+

Fix from $1,950 2021-01-07

Firefox HIGH 8.8

CVE-2020-35114

Mozilla developers reported memory safety bugs present in Firefox 83. Some of these bugs showed evidence of memory corruption and we presume that wit…

Fix: 84.0+

Fix from $1,950 2021-01-07

Firefox HIGH 8.8

CVE-2020-26971

Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. This vulnerability af…

Fix: 78.6.0 / 84.0+

Fix from $1,950 2021-01-07

Firefox HIGH 8.8

CVE-2020-26968

Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4. Some of these bugs showed evidence of memory corruption an…

Fix: 78.5 / 83.0+

Fix from $1,950 2020-12-09

Firefox HIGH 8.8

CVE-2020-26969

Mozilla developers reported memory safety bugs present in Firefox 82. Some of these bugs showed evidence of memory corruption and we presume that wit…

Fix: 83.0+

Fix from $1,950 2020-12-09

Thunderbird HIGH 8.8

CVE-2020-26970

When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depe…

Fix: 78.5.1+

Fix from $1,950 2020-12-09

Firefox HIGH 8.8

CVE-2020-26952

Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handli…

Fix: 83.0+

Fix from $1,950 2020-12-09

Firefox CRITICAL 9.8

CVE-2020-15683

Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3. Some of these bugs showed evidence o…

Fix: 78.4 / 82.0+

Fix from $2,300 2020-10-22

Firefox HIGH 8.8

CVE-2020-15667

When processing a MAR update file, after the signature has been validated, an invalid name length could result in a heap overflow, leading to memory …

Fix: 80.0+

Fix from $1,950 2020-10-01

Firefox HIGH 8.8

CVE-2020-15674

Mozilla developers reported memory safety bugs present in Firefox 80. Some of these bugs showed evidence of memory corruption and we presume that wit…

Fix: 81.0+

Fix from $1,950 2020-10-01

Firefox HIGH 8.8

CVE-2020-15659

Mozilla developers and community members reported memory safety bugs present in Firefox 78 and Firefox ESR 78.0. Some of these bugs showed evidence o…

Fix: 68.11 / 78.1.0+

Fix from $1,950 2020-08-10

Firefox HIGH 8.8

CVE-2020-12422

In non-standard configurations, a JPEG image created by JavaScript could have caused an internal variable to overflow, resulting in an out of bounds …

Fix: 78.0+