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Vulnerabilities / CVE-2026-2800

critical

CVE-2026-2800

firefox: thunderbird: Spoofing issue in the WebAuthn component in Firefox for Android

Published Modified CWE 290
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (medium), Ubuntu (medium).

Description

Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Affected packages and fixed versions

SourcePackageFixed in
chainguardfirefox148.0-r0
rapidfort alpine 3.20thunderbird150.0-r0
rapidfort alpine 3.21thunderbird150.0-r0
rapidfort alpine 3.22thunderbird150.0-r0
rapidfort alpine 3.23thunderbird150.0-r0
rapidfort fedora 43firefox, firefox-langpacks, thunderbird and 1 more148.0.2-1.fc43 and 1 more
rapidfort ubuntu 20.04thunderbirdno fix listed
rapidfort ubuntu 22.04thunderbirdno fix listed
rapidfort ubuntu 24.04thunderbirdno fix listed
ubuntu 22.04thunderbirdno fix listed
wolfifirefox148.0-r0
Show all 14 entries from 11 sources
SourcePackageFixed in
chainguardfirefox148.0-r0
rapidfort alpine 3.20thunderbird150.0-r0
rapidfort alpine 3.21thunderbird150.0-r0
rapidfort alpine 3.22thunderbird150.0-r0
rapidfort alpine 3.23thunderbird150.0-r0
rapidfort fedora 43firefox148.0.2-1.fc43
rapidfort fedora 43firefox-langpacks148.0.2-1.fc43
rapidfort fedora 43thunderbird149.0.1-3.fc43
rapidfort fedora 43thunderbird-librnp-rnp149.0.1-3.fc43
rapidfort ubuntu 20.04thunderbirdno fix listed
rapidfort ubuntu 22.04thunderbirdno fix listed
rapidfort ubuntu 24.04thunderbirdno fix listed
ubuntu 22.04thunderbirdno fix listed
wolfifirefox148.0-r0

References

All 9 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.