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Appaloosa Scout

Vulnerability · NVD

CVE-2021-38496

HIGH 8.8

During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

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 1.59% above median percentile 73.4%

Tracked apps referencing this CVE

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

NVD references 4 distinct products for this CVE — only those tracked by Scout (mobile and desktop catalog apps) are listed above. Libraries, servers and out-of-scope products do not appear here. Full list on NVD ↗

Vulnerable CPE configurations (2)
Vendor Product Versions
mozilla thunderbird
All platforms (wildcard)
<78.15
mozilla thunderbird
All platforms (wildcard)
≥91.0 <91.2
View on NVD ↗ Advisory · bugzilla.mozilla.org Advisory · www.mozilla.org