Thunderbird 157 crashes with SIGSEGV on Fedora 44
Thunderbird 157 on Fedora 44 crashes with SIGSEGV often, especially when clicking folders using an EWS connection to Office 365.
Tier II · Emerging Problems that are still building up.
4 public reports · first reported 9 October 2026 · last reported 9 October 2026
What's going wrong
Users of Thunderbird 157 on Fedora 44 report frequent segmentation-fault crashes, often just from clicking through mail folders.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 4 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.