CVE-2026-12325 | Denial-of-service in the Graphics: ImageLib component. This … | CVSS 6.5 MEDIUM

Description

Denial-of-service in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

Metadata

CVE ID: CVE-2026-12325
State: PUBLISHED
Assigner: mozilla
Reserved: 2026-06-15 15:08 UTC
Published: 2026-06-16 11:52 UTC
Last updated: 2026-06-16 16:08 UTC
Primary CWE: CWE-400
CWE-400 Uncontrolled Resource Consumption
Vendor / Product: Mozilla / Firefox
Sources: cve.org · NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (2)

Vendor	Product	Platform	Versions
Mozilla	Firefox	—	115.37 ≤ 115., 140.12 ≤ 140., 152 ≤ *
Mozilla	Thunderbird	—	140.12 ≤ 140., 152 ≤

Weakness (CWE)

CWE	Source	Description
CWE-400	adp	CWE-400 Uncontrolled Resource Consumption

CVSS scores (1)

Score	Severity	Version	Source	Vector
6.5	MEDIUM	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References (6)