Linux · Security advisory · May 27, 2025
RHSA-2025:8203: thunderbird security update
RHSA-2025:8203, released May 27, 2025, fixes 4 CVEs in thunderbird (version 0:128.10.1-1.el9_6). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
4
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0047
40th percentile
Priority of the 4 CVEs
Patch now 0
Urgent 0
High 4
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| thunderbird | RHEL 9 | 0:128.10.1-1.el9_6 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2025-3909 | JavaScript Execution via Spoofed PDF Attachment and file:/// Link | 8.8 | 0.0047 | None reported | |
| High | CVE-2025-3875 | Sender Spoofing via Malformed From Header in Thunderbird | 8.8 | 0.0040 | None reported | |
| High | CVE-2025-3932 | Tracking Links in Attachments Bypassed Remote Content Blocking | 8.8 | 0.0039 | None reported | |
| High | CVE-2025-3877 | thunderbird: Rejected reason: This CVE was marked as fixed, but due to other code landing - was not actually fixed | 8.8 | n/a | None reported |
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