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CVE-2022-26387

When installing an add-on, Firefox verified the signature before prompting the user; but while the user was confirming the prompt, the under

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 98, 91.7
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Mozilla Firefox

    fixed in 98

  • Mozilla Firefox ESR

    fixed in 91.7

  • Mozilla Thunderbird

    fixed in 91.7

References 4

mozilla.org

bugzilla.mozilla.org