// For flags

CVE-2023-6207

Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

La mala gestión de la propiedad provocó un uso después de la liberación en ReadableByteStreams. Esta vulnerabilidad afecta a Firefox &lt; 120, Firefox &lt; 115.5 y Thunderbird &lt; 115.5.0.

The Mozilla Foundation Security Advisory describes this flaw as:

Ownership mismanagement led to a use-after-free in ReadableByteStreams

*Credits: Yangkang of 360 ATA Team
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-11-20 CVE Reserved
  • 2023-11-21 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-10-21 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-416: Use After Free
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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< 120.0
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-
Affected
Mozilla
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Firefox Esr
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< 115.5.0
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-
Affected
Mozilla
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Thunderbird
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< 115.5
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-
Affected
Debian
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Debian Linux
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10.0
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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
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-
Affected