CVE & CISA-KEV CatalogNVD
CVE-2025-10527
HIGH7.1
CVSS v3
Description
Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.
CVSS v3 Vector
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Exploit Intelligence
0.26%probability of exploitation in 30 days
17thpercentile
Low risk: more likely to be exploited than 17% of all known CVEs.
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1984825
- https://www.mozilla.org/security/advisories/mfsa2025-73/
- https://www.mozilla.org/security/advisories/mfsa2025-75/
- https://www.mozilla.org/security/advisories/mfsa2025-77/
- https://www.mozilla.org/security/advisories/mfsa2025-78/
- https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html
- https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-13.