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Ubuntu: (Multiple Advisories) (CVE-2023-23603): Firefox vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2023-23603): Firefox vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/20/2023
Created
01/25/2023
Added
01/23/2023
Modified
06/12/2023

Description

Regular expressions used to filter out forbidden properties and values from style directives in calls to <code>console.log</code> weren't accounting for external URLs. Data could then be potentially exfiltrated from the browser. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7.

Solution(s)

  • ubuntu-upgrade-firefox
  • ubuntu-upgrade-thunderbird

References

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