Linux · 
Red Hat · Security advisory · July 29, 2025
Red Hat · Security advisory · July 29, 2025RHSA-2025:12187: thunderbird security update
RHSA-2025:12187, released July 29, 2025, fixes 9 CVEs in thunderbird (version 0:128.13.0-3.el9_6). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
9
None rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0058
47th percentile
Priority of the 9 CVEs
Patch now 0
Urgent 0
High 9
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| thunderbird | RHEL 9 | 0:128.13.0-3.el9_6 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2025-8028 | Large branch table could lead to truncated instruction | 9.8 | 0.0058 | None reported |
| High | CVE-2025-8031 | Incorrect URL stripping in CSP reports | 9.8 | 0.0051 | None reported |
| High | CVE-2025-8034 | Memory safety bugs fixed in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141 | 8.8 | 0.0046 | None reported |
| High | CVE-2025-8027 | JavaScript engine only wrote partial return value to stack | 7.5 | 0.0043 | None reported |
| High | CVE-2025-8033 | Incorrect JavaScript state machine for generators | 7.5 | 0.0043 | None reported |
| High | CVE-2025-8035 | Memory safety bugs fixed in Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141 | 8.8 | 0.0040 | None reported |
| High | CVE-2025-8029 | javascript: URLs executed on object and embed tags | 8.1 | 0.0038 | None reported |
| High | CVE-2025-8030 | Potential user-assisted code execution in “Copy as cURL” command | 8.1 | 0.0038 | None reported |
| High | CVE-2025-8032 | XSLT documents could bypass CSP | 8.1 | 0.0038 | None reported |
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