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CVE-2026-84122: firefox-esr (exact versions not specified); +1 more affected products
CVE-2026-84122 affects firefox-esr. EPSS 0.00214 (percentile 0.10608), scored 2026-10-05. Fixed version: 140.15.0esr-1~deb12u1. Fixed version: 140.15.0esr-1~deb13u1. Fixed version: 140.15.0esr-1. Fixed version: 1:140.15.0esr-1~deb12u1. Fixed version: 1:140.15.0esr-1~deb13u1. Fixed version: 1:153.2.0esr-1.
Affected technology
firefox-esr · Exact affected versions not specified by the source
Vendor not specified by the source
firefox-esr · Exact affected versions not specified by the source
Vendor not specified by the source
firefox-esr · Exact affected versions not specified by the source
Vendor not specified by the source
thunderbird · Exact affected versions not specified by the source
Vendor not specified by the source
thunderbird · Exact affected versions not specified by the source
Vendor not specified by the source
thunderbird · Exact affected versions not specified by the source
Vendor not specified by the source
Component: Not specified by the source
Attack conditions (OSV, CVSS 3.1): Network (remote) · No privileges required · User interaction required
What an attacker can do
OSV’s CVSS 3.1 assessment rates confidentiality and integrity impact as low; availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.
- Product
- firefox-esr
- CCR priority
- 0.1 /100 (P5)
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N · OSV.dev
- EPSS
- 0.00214 · percentile 0.10608 · 2026-10-05
- KEV
- no
Provenance
- OSV.dev · Source record · observed 2026-10-06 17:58:42.508367+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-84122.html