Skip to content
Appaloosa Scout

Vulnerability · NVD

CVE-2020-26950

HIGH 8.8

In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.

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 42.33% moderate exploit risk percentile 98.6%

Tracked apps referencing this CVE

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

Vulnerable CPE configurations (1)
Vendor Product Versions
mozilla thunderbird
All platforms (wildcard)
<78.4.2
View on NVD ↗ Advisory · bugzilla.mozilla.org Advisory · www.mozilla.org