This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-109773 →
UBUNTU-CVE-2026-109773
Denial-of-service in the Sync component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.
Original description
The description as published by the source.
Denial-of-service in the Sync component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Ubuntu:18.04:LTS
mozjs52
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS
mozjs38
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS
mozjs68
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS
mozjs52
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS
mozjs102
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS
mozjs78
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS
mozjs91
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS
thunderbird
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS
mozjs102
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS
mozjs115
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
References
- report ubuntu.com
- report cve.org
- report mozilla.org
- report bugzilla.mozilla.org
- report mozilla.org
- report mozilla.org