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Mozilla Firefox EUVDEUVD-2026-60752

| CVE-2026-74945 MEDIUM
Information Exposure (CWE-200)
2026-08-18 mozilla GHSA-5p4q-w2w4-c9jw
Information Disclosure Mozilla
6.5
CVSS 3.1 · Vendor: mozilla
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Severity by source

Vendor (mozilla) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
vuln.today AI
6.5 MEDIUM

Network delivery via browser, no attacker auth needed, user must visit page (UI:R), disclosure-only with no write or crash impact.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
SUSE
HIGH
qualitative
Red Hat
7.5 HIGH
qualitative

Primary rating from Vendor (mozilla).

CVSS VectorVendor: mozilla

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

4
Analysis Generated
Aug 21, 2026 - 22:31 vuln.today
CVSS changed
Aug 21, 2026 - 20:22 NVD
6.5 (MEDIUM)
CVE Published
Aug 18, 2026 - 12:23 cve.org
MEDIUM 6.5
CVE Published
Aug 18, 2026 - 12:23 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

Information disclosure in the Graphics: Text component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, and Firefox ESR 153.1.

AnalysisAI

Information disclosure in Firefox's Graphics: Text rendering component allows a remote unauthenticated attacker to leak sensitive memory contents when a user visits or interacts with crafted content. All Firefox release channels are affected, spanning the main release (pre-154) and three ESR branches (pre-115.39, pre-140.14, pre-153.1). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Attacker hosts crafted page with malicious text content
Delivery
Victim user visits page in unpatched Firefox
Exploit
Graphics:Text component processes crafted input
Execution
Memory contents exposed to renderer
Impact
Attacker receives leaked sensitive data
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Vulnerability AssessmentAI

Exploitation Exploitation requires a victim user running an unpatched Firefox version to interact with attacker-controlled content - for example, visiting a crafted web page or rendering a document containing specially constructed text. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 3.1 scores this at 6.5 Medium with vector AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, indicating network-reachable exploitation requiring only user interaction (e.g., visiting a malicious page), with high confidentiality impact but no integrity or availability consequences. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker crafts a web page or embeds content that triggers Firefox's Graphics: Text rendering path with inputs designed to expose uninitialized or out-of-bounds memory. When a victim user visits the page or views the embedded content, the browser leaks memory data back to the attacker - potentially exposing sensitive in-process information such as session tokens, cached credentials, or other browser memory contents. …
Remediation Upgrade to Firefox 154 or later for users on the standard release channel. … Detailed patch versions, workarounds, and compensating controls in full report.
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Threat intelligence, references, and detailed analysis are available after sign-in.

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Vendor StatusVendor

SUSE

Severity: Important
Product Status
Container suse/kiosk/firefox-esr:140.14-75.12 Affected
SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise High Performance Computing 15 SP7 SUSE Linux Enterprise Module for Desktop Applications 15 SP7 SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS Fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS Fixed
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS Fixed

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EUVD-2026-60752 vulnerability details – vuln.today
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