vulnerability
Alma Linux: CVE-2023-23603: Important: firefox security update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:C/I:N/A:N) | Jan 23, 2023 | Jan 25, 2023 | Mar 31, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:C/I:N/A:N)
Published
Jan 23, 2023
Added
Jan 25, 2023
Modified
Mar 31, 2026
Description
Regular expressions used to filter out forbidden properties and values from style directives in calls to `console.log` weren't accounting for external URLs. Data could then be potentially exfiltrated from the browser. This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7.
Solutions
alma-upgrade-firefoxalma-upgrade-thunderbird
References
- CVE-2023-23603
- https://attackerkb.com/topics/CVE-2023-23603
- CWE-770
- EUVD-EUVD-2023-27703
- https://errata.almalinux.org/8/ALSA-2023-0288.html
- https://errata.almalinux.org/8/ALSA-2023-0463.html
- https://errata.almalinux.org/9/ALSA-2023-0285.html
- https://errata.almalinux.org/9/ALSA-2023-0476.html
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-27703
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