CVE-2026-0883

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

Information disclosure in the Networking component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 13, 2026
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2026-0883: Medium severity, CVSS 5.3 | Vulnix