{"id":"CVE-2020-6822","details":"On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in \u003ccode\u003eGMPDecodeData\u003c/code\u003e. It is possible that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Thunderbird \u003c 68.7.0, Firefox ESR \u003c 68.7, and Firefox \u003c 75.","modified":"2026-03-25T17:59:25.576115Z","published":"2020-04-24T16:15:13.573Z","related":["MGASA-2020-0163","MGASA-2020-0170","SUSE-SU-2020:0971-1","SUSE-SU-2020:0978-1","SUSE-SU-2020:1027-1","SUSE-SU-2020:14339-1","openSUSE-SU-2020:0493-1","openSUSE-SU-2020:0520-1","openSUSE-SU-2020:0544-1","openSUSE-SU-2024:10600-1","openSUSE-SU-2024:10601-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"ADVISORY","url":"https://usn.ubuntu.com/4335-1/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-12/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-13/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-14/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1544181"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-6822.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"75.0"}]},{"events":[{"introduced":"0"},{"fixed":"68.7.0"}]},{"events":[{"introduced":"0"},{"fixed":"68.7.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}