ALSA-2026:90895

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Import Source
https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:90895.json
JSON Data
https://api.osv.dev/v1/vulns/ALSA-2026:90895
Upstream
Related
Published
2026-10-27T00:00:00Z
Modified
2026-10-29T11:31:03Z
Summary
Important: thunderbird security, bug fix, and enhancement update
Details

Mozilla Thunderbird is a standalone mail and newsgroup client.

Security Fix(es):

  • libexpat: denial of service via crafted XML input (CVE-2026-45186)

Bug Fix(es) and Enhancement(s):

  • Thunderbird ESR 153 rebase [rhel-10.2.z] (JIRA:RHEL-175207)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References

Affected packages

AlmaLinux:10 / thunderbird

Package

Name
thunderbird
Purl
pkg:rpm/almalinux/thunderbird

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
153.5.0-1.el10_2.alma.1

Database specific

source
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:90895.json"