CVE-2023-28162

HIGH
8.8
CVSS Score
Published: June 2, 2023 at 12:00 AM UTC
Updated: October 23, 2026 at 11:10 PM UTC
3 products affected across 1 vendorFirefoxThunderbirdFirefox ESR

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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

While implementing AudioWorklets, some code may have casted one type to another, invalid, dynamic type. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.

Affected

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

v < 111.0
Affected range stops below 111, so it looks safe — our inference, not a vendor statement
Affected range stops below 111.0, so it looks safe — our inference, not a vendor statement
v < 102.9
Affected range stops below 102.9, so it looks safe — our inference, not a vendor statement
v < 102.9
Affected range stops below 102.9, so it looks safe — our inference, not a vendor statement

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

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

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-704CWE-843

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