CVE-2023-34417 - Vulnerability Details - OpenCVE

Description

Memory safety bugs present in Firefox 113. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 114.

Published: 2023-06-19

Score: 9.8 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Mozilla

Firefox

unaffected

Version	Status	Constraints
`unspecified`	affected	< 114

Configuration 1 [-]

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
Ubuntu USN	USN-6143-1	Firefox vulnerabilities

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0078.

Exploitation none

Automatable yes

Technical Impact total

References

Link	Providers
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1746447%2C1820903%2C1832832
https://security.gentoo.org/glsa/202401-10
https://www.mozilla.org/security/advisories/mfsa2023-20/

History

Tue, 10 Nov 2026 21:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Mozilla Firefox

MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2023-06-19T10:42:55.747Z

Updated: 2025-05-05T15:57:30.806Z

Reserved: 2023-06-05T16:57:22.625Z

Link: CVE-2023-34417

Vulnrichment

Updated: 2024-08-02T16:10:06.803Z

NVD

Status : Modified

Published: 2023-06-19T11:15:11.067

Modified: 2026-06-17T06:03:36.173

Link: CVE-2023-34417

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-787

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