Mozilla Thunderbird ESR (nl) 128.8.0
Mozilla Thunderbird ESR (nl) 128.8.0, released March 5, 2025, fixes 10 CVEs in Mozilla Thunderbird ESR (nl). None of them is reported as exploited. Patch Radar priority: High. The latest Mozilla Thunderbird ESR (nl) is 153.7.0, which also fixes every one of these CVEs.
Superseded. The latest Mozilla Thunderbird ESR (nl) is 153.7.0, which also fixes every CVE on this page. Install that instead.
Priority of the 10 CVEs
Applies to
| Product | Version |
|---|---|
| Mozilla Thunderbird ESR (nl) | 128.8.0 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2025-1937 | Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 115.21, Firefox ESR 128.8, and Thunderbird 128.8 | 8.8 | 0.0056 | None reported |
| High | CVE-2025-1931 | Use-after-free in WebTransportChild | 8.8 | 0.0054 | None reported |
| High | CVE-2025-3030 | Memory safety bugs fixed in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9 | 8.8 | 0.0051 | None reported |
| High | CVE-2025-1934 | Unexpected GC during RegExp bailout processing | 8.8 | 0.0045 | None reported |
| High | CVE-2025-1936 | Adding %00 and a fake extension to a jar: URL changed the interpretation of the contents | 8.8 | 0.0045 | None reported |
| High | CVE-2025-1932 | Inconsistent comparator in XSLT sorting led to out-of-bounds access | 8.8 | 0.0042 | None reported |
| High | CVE-2025-26696 | Crafted email message incorrectly shown as being encrypted | 7.0 | 0.0036 | None reported |
| High | CVE-2025-1935 | Clickjacking the registerProtocolHandler info-bar | 8.8 | 0.0034 | None reported |
| High | CVE-2025-1933 | JIT corruption of WASM i32 return values on 64-bit CPUs | 8.8 | 0.0032 | None reported |
| Routine | CVE-2025-26695 | Downloading of OpenPGP keys from WKD used incorrect padding | 5.3 | 0.0016 | None reported |
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