vulnerability
Alma Linux: CVE-2025-4919: Important: firefox security update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | May 17, 2025 | May 22, 2025 | Apr 20, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
May 17, 2025
Added
May 22, 2025
Modified
Apr 20, 2026
Description
An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR 115.23.1, Thunderbird 128.10.2, and Thunderbird 138.0.2.
Solutions
alma-upgrade-firefoxalma-upgrade-firefox-x11alma-upgrade-thunderbird
References
- CVE-2025-4919
- https://attackerkb.com/topics/CVE-2025-4919
- CWE-125
- CWE-787
- EUVD-EUVD-2025-15598
- https://errata.almalinux.org/8/ALSA-2025-8060.html
- https://errata.almalinux.org/8/ALSA-2025-8756.html
- https://errata.almalinux.org/9/ALSA-2025-8049.html
- https://errata.almalinux.org/9/ALSA-2025-8607.html
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-15598
Rapid7 Labs
2026 Global Threat Landscape Report
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