Paper/Archive/CVE-2020-6814

CVE-2020-6814

Mozilla Thunderbird — Mozilla developers reported memory safety bugs present in Firefox and Thunderbird 68.5.

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 79.3.793 × 2015.9 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

Mozilla developers reported memory safety bugs present in Firefox and Thunderbird 68.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

Affected

ProductAffectedFixed inSource

Thunderbirdunspecified – < 68.668.6CNA

Firefoxunspecified – < 7474CNA

Firefoxunspecified – < ESR68.6ESR68.6CNA

Firefox ESRunspecified – < 68.668.6CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refmozilla.org/security/advisories/mfsa2020-08 refmozilla.org/security/advisories/mfsa2020-10 refmozilla.org/security/advisories/mfsa2020-09 refbugzilla.mozilla.org/buglist.cgi?bug_id=1592078%2C1604847%2C1608256%2C1612636%2C1614339 advisoryusn.ubuntu.com/4328-1 advisoryusn.ubuntu.com/4335-1