// For flags

CVE-2023-4046

Mozilla: Incorrect value used during WASM compilation

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

The Mozilla Foundation Security Advisory describes this flaw as:

In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process.

*Credits: Alexander Guryanov
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-08-01 CVE Reserved
  • 2023-08-01 CVE Published
  • 2024-09-02 EPSS Updated
  • 2024-10-22 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
  • CWE-770: Allocation of Resources Without Limits or Throttling
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mozilla
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Firefox
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< 116.0
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-
Affected
Mozilla
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Firefox Esr
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>= 102.0 < 102.14
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-
Affected
Mozilla
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Firefox Esr
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>= 115.0 < 115.1
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-
Affected
Debian
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Debian Linux
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11.0
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-
Affected
Debian
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Debian Linux
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12.0
Search vendor "Debian" for product "Debian Linux" and version "12.0"
-
Affected