CVE-2025-10533
High
Published: 16 September 2025
Published
16 September 2025
Modified
13 April 2026
KEV Added
—
Patch
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CVSS Score v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0014
33.3th percentile
Risk Priority
18
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2025-10533 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Mozilla Firefox. Its CVSS base score is 8.8 (High).
Operationally, ranked at the 33.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-29563
Vulnerability details
Integer overflow in the SVG component. This vulnerability was fixed in Firefox 143, Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
mozilla
firefox
≤ 115.28.0 · ≤ 143.0 · 116.0 — 140.3
mozilla
thunderbird
≤ 140.3.0 · 141.0 — 143.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.