Skip to content
CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-84145

Internally found bugs fixed in Thunderbird 155, Thunderbird ESR 153.2 and Thunderbird ESR 140.15

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
mozilla

Description

Internally found bugs present in Thunderbird 154, Thunderbird ESR 153.1 and Thunderbird ESR 140.14. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mozilla Firefox

  • 115.40 to ≤ 115.*unaffected
  • 140.15 to ≤ 140.*unaffected
  • 153.2 to ≤ 153.*unaffected
  • 155 to ≤ *unaffected

Mozilla Thunderbird

  • 140.15 to ≤ 140.*unaffected
  • 153.2 to ≤ 153.*unaffected
  • 155 to ≤ *unaffected

References