CVE-2023-23597

Logic bug in process allocation allowed to read arbitrary files

MEDIUM
6.5
CVSS Score
Published: June 2, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:37 AM UTC
1 product affected across 1 vendorFirefox

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

A compromised web child process could disable web security opening restrictions, leading to a new child process being spawned within the <code>file://</code> context. Given a reliable exploit primitive, this new process could be exploited again leading to arbitrary file read. This vulnerability affects Firefox < 109.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 109
Affected range stops below 109, so it looks safe — our inference, not a vendor statement
Affected range stops below 109.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-326

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