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CVE PROGRAM SOURCE RECORD5.4 Medium

CVE-2026-84124

Use-after-free in the DOM: Core & HTML component

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

Description

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, 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

  • 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