vulnerability

Red Hat: CVE-2022-26387: CVE-2022-26387 Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (Multiple Advisories)

Name: Red Hat: CVE-2022-26387: CVE-2022-26387 Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (Multiple Advisories)
Creator: Red Hat
Published: 2022-03-10T00:00:00.000Z
Keywords: CVE, CWE-367, Red Hat, 2022, 26387, 26387 Mozilla, redhat-upgrade-firefox, redhat-upgrade-firefox-debuginfo, redhat-upgrade-firefox-debugsource, redhat-upgrade-thunderbird, redhat-upgrade-thunderbird-debuginfo, redhat-upgrade-thunderbird-debugsource, Severity 8

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Severity

CVSS

(AV:N/AC:H/Au:N/C:C/I:C/A:C)

Published

Mar 10, 2022

Added

Mar 11, 2022

Modified

Jun 17, 2026

Description

When installing an add-on, Firefox verified the signature before prompting the user; but while the user was confirming the prompt, the underlying add-on file could have been modified and Firefox would not have noticed. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.

Solutions

redhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource

References

Rapid7 Labs

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