CVE-2026-8973 — Memory safety bugs fixed in Thunderbird 151
Memory safety bugs present in Thunderbird 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been explo…
Published: 2026-05-19 · CVSS: 8.8 · CVSS 3.1
Memory safety bugs present in Thunderbird 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7