CVE-2025-8038CRITICAL 9.8EPSS p12.1%

CVE-2025-8038CVE-2025-8038

Description

Thunderbird ignored paths when checking the validity of navigations in a frame. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.22% probability of exploitation · percentile 12.1% · 2026-06-19T12:03:05Z
Published2025-07-22
Last modified2026-04-13

Underlying weaknesses· 1

CWE-345

References

  1. https://bugzilla.mozilla.org/show_bug.cgi?id=1808979
  2. https://www.mozilla.org/security/advisories/mfsa2025-56/
  3. https://www.mozilla.org/security/advisories/mfsa2025-59/
  4. https://www.mozilla.org/security/advisories/mfsa2025-61/
  5. https://www.mozilla.org/security/advisories/mfsa2025-63/

1

TypeTargetConfidenceTier
WeaknessInsufficient Verification of Data Authenticitycwe-3450%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.