This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-16368 →
DEBIAN-CVE-2026-16368
Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 1...
Original description
The description as published by the source.
Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
firefox-esr
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.13.0esr-1~deb12u1"}]}]
Debian:13
firefox-esr
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.13.0esr-1~deb13u1"}]}]
Debian:14
firefox-esr
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.13.0esr-1"}]}]
Debian:12
thunderbird
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:140.13.0esr-2~deb12u1"}]}]
Debian:13
thunderbird
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:140.13.0esr-2~deb13u1"}]}]
Debian:14
thunderbird
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:140.13.0esr-1"}]}]
References
- advisory security-tracker.debian.org