CVE-2023-34417

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Published Jun 19, 2023 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

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.

Affected Products

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 solution or workaround provided in the CVE record

Tracking

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Advisories

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

Metrics

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.

Exploit prediction score: < 1% (0.780% probability within 30 days)

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

Nov 10, 2026 9:30 PM Scoring metrics updated View changes

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

Subscriptions

Mozilla Firefox

Weaknesses

CWE-787

Sources

CVE record Updated: May 5, 2025, 3:57 PM

Status: PUBLISHED
Assigner: mozilla
Published: Jun 19, 2023, 10:42 AM
Updated: May 5, 2025, 3:57 PM
Reserved: Jun 5, 2023, 4:57 PM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 4:10 PM

Updated: Aug 2, 2024, 4:10 PM

NVD Updated: Jun 17, 2026, 6:03 AM

Status: Modified
Published: Jun 19, 2023, 11:15 AM
Modified: Jun 17, 2026, 6:03 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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