CVE-2026-5732

HIGH

firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component

Details

CVSS v3: 8.8
NVD published: 2026-04-07 13:16:47
EPSS: <0.1% probability · 12.7th percentile — 2026-05-03
Affected versions: cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
Summary: Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.
Remediation: Not available in our cache.
Exploit info: Not available in our cache.

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Information is aggregated from multiple authoritative sources for convenience; verify with NVD and vendors before operational decisions.