PT-2026-111499
CVE-2026-109779
·
Published
2026-10-13
·
Updated
2026-10-20
Description by
CVSS 3.1
4.2
MediumMetricsAV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 158
Thunderbird versions prior to 158
Description
A race condition exists in the Networking: DNS component. A race condition is a situation where the system's substantive behavior is dependent on the sequence or timing of other uncontrollable events.
Recommendations
Update Firefox to version 158 or later.
Update Thunderbird to version 158 or later.
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