Debian/thunderbird: high 8.8
Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox
Action: Upgrade thunderbird to 1:78.6.0-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:78.6.0-1 | - |
Fixed versions
| 1:78.6.0-1 |
Sources
- osv: DEBIAN-CVE-2020-26971#Debian:13/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2020-26971
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