CVE-2024-6613: Mozilla Firefox

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

The frame iterator could get stuck in a loop when encountering certain wasm frames leading to incorrect stack traces. This vulnerability affects Firefox < 128 and Thunderbird < 128.

Affected products

  • Mozilla Firefox: before 128.0 (fixed in 128.0)
  • Mozilla Thunderbird: before 128.0 (fixed in 128.0)

Published 2024-07-09. Last modified 2026-06-17.