CVE-2026-8388

MediumCVSS 6.5/10Last modified Jul 15, 2026

Description

Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 12, 2026
Last modified
Jul 15, 2026
NVD status
Modified

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CVE-2026-8388: Medium severity, CVSS 6.5 | Vulnix