CVE-2023-6207

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CVSS 3.1

8.8 high

EPSS

<1%p54

Published

Nov 21, 2023 (Nov 21, 2023)

Modified

Jun 17, 2026

Description

Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

Vendors: mozilla debian
Products: firefox, firefox esr, thunderbird, debian linux
Weakness: CWE-416
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.8%)

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