Linux · 
AlmaLinux · Security advisory · November 7, 2026
AlmaLinux · Security advisory · November 7, 2026ALSA-2026:90895: thunderbird security update
ALSA-2026:90895, released November 7, 2026, fixes 1 CVE in thunderbird (version 153.5.0-1.el10_2.alma.1). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
8.2
Base score, 0 to 10
Highest EPSS
0.0048
41st percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| thunderbird | almalinux 10 | 153.5.0-1.el10_2.alma.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-45186 | In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input. | 8.2 | 0.0048 | None reported |
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