CVE-2020-6822
On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in GMPDecodeData.
On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in GMPDecodeData. It is possible that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.
HIGH · CVSS 8.8
EPSS 0.00812
Schedule remediation
- CVSS base score ≥ 7.0
Sigma rules1
YARA rules0