This update for MozillaThunderbird fixes the following issues:
Updated to Mozilla Thunderbird 128.8 MFSA 2025-18 (bsc#1237683):
CVE-2024-43097: Overflow when growing an SkRegion's RunArray
CVE-2025-1930: AudioIPC StreamData could trigger a use-after-free in the
Browser process
CVE-2025-1931: Use-after-free in WebTransportChild
CVE-2025-1932: Inconsistent comparator in XSLT sorting led to out-of-bounds
access
CVE-2025-1933: JIT corruption of WASM i32 return values on 64-bit CPUs
CVE-2025-1934: Unexpected GC during RegExp bailout processing
CVE-2025-1935: Clickjacking the registerProtocolHandler info-bar
CVE-2025-1936: Adding %00 and a fake extension to a jar: URL changed the
interpretation of the contents
CVE-2025-1937: Memory safety bugs fixed in Firefox 136, Thunderbird 136,
Firefox ESR 115.21, Firefox ESR 128.8, and Thunderbird 128.8
CVE-2025-1938: Memory safety bugs fixed in Firefox 136, Thunderbird 136,
Firefox ESR 128.8, and Thunderbird 128.8
CVE-2025-26695: Downloading of OpenPGP keys from WKD used incorrect padding
CVE-2025-26696: Crafted email message incorrectly shown as being encrypted
Other fixes:
Opening an .EML file in profiles with many folders
could take a long time.
Users with many folders experienced poor performance
when resizing message panes.
*'Replace' button in compose window was overwritten
when the window was narrow.
Export to mobile did not work when 'Use default
server' was selected.
'Save Link As' was not working in feed web content.