CVE-2023-23598: firefox before 109.0 (exclusive); +5 more affected products

CVE-2023-23598. CVSS 3.1 base score 6.5 (MEDIUM, NVD). EPSS 0.00641 (percentile 0.50057), scored 22-Oct-2026.

Affected technology

firefox · before 109.0 (exclusive)
mozilla

firefox esr · before 102.7 (exclusive)
mozilla

thunderbird · before 102.7 (exclusive)
mozilla

Firefox · unspecified to before 109
Mozilla

Firefox ESR · unspecified to before 102.7
Mozilla

Thunderbird · unspecified to before 102.7
Mozilla

Component: Not specified by the source

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · User interaction required

What an attacker can do

NVD’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality impact as high; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 24-Oct-2026 01:44 UTC

CCR priority: 26.2 /100 (P4)
CVSS 3.1: 6.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N · NVD
EPSS: 0.00641 · percentile 0.50057 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2023-23598.html