Vulnerability · NVD

CVE-2021-38495

CVE-2021-38495, high severity (CVSS 8.8): 1 tracked app concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 8.8
Exploitation: 1.1 %
Tracked apps: 1
Still exposed: 0

Published on 2021-11-03

Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. 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 < 91.1 and Firefox ESR < 91.1.

Attack vector : Network No privileges required

Show raw CVSS vector

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

EPSS 1.11% above median percentile 64.9%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Mozilla Thunderbird Windows winget:Mozilla.Thunderbird

Affected <91.1 Fixed in 91.1 Latest tracked 157.0.1 patched

Observed affected builds (20)

91.0.3 78.12.0 78.11.0 78.10.2 78.10.1 78.10.0 78.9.1 78.8.1 78.7.1 78.6.1 78.4.0 78.3.2 78.2.1 78.1.1 78.1.0 78.0.1 78.0 68.10.0 68.9.0 68.8.0

Vulnerable CPE configurations (1)

Vendor	Product	Platform	Versions	CPE 2.3 URI
mozilla	thunderbird All platforms (wildcard)	All platforms (wildcard)	<91.1	cpe:2.3:a:mozilla:thunderbird::::::::

View on NVD ↗ Advisory · bugzilla.mozilla.org Advisory · www.mozilla.org

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