Three AlmaLinux security updates have been released to address potential security vulnerabilities: an update for Ruby (ALSA-2025:23141), which is considered moderate, and two updates for Mozilla Thunderbird and kernel packages, both rated important. The Ruby update fixes Denial of Service issues in the resolv and rexml gems, while the other updates fix various memory safety bugs, use-after-free vulnerabilities, sandbox escapes, and JIT miscompilations in Firefox and the kernel. Users can find more details about these security issues, including their impact, CVSS scores, and acknowledgments, on the corresponding CVE pages listed in the References section of each update.
ALSA-2025:23141: ruby security update (Moderate)
ALSA-2026:0025: thunderbird security update (Important)
ALSA-2025:23279: kernel security update (Important)