// For flags

CVE-2023-6859

Mozilla: Use-after-free in PR_GetIdentitiesLayer

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

A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

Una condición de use after free afectó la creación de sockets TLS cuando estaba bajo presión de memoria. Esta vulnerabilidad afecta a Firefox ESR &lt;115.6, Thunderbird &lt;115.6 y Firefox &lt;121.

The Mozilla Foundation Security Advisory describes this flaw as:

A use-after-free condition affected TLS socket creation when under memory pressure.

*Credits: Irvan Kurniawan
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
  • 2023-12-15 CVE Reserved
  • 2023-12-19 CVE Published
  • 2024-02-02 EPSS Updated
  • 2024-08-02 CVE 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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< 121.0
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-
Affected
Mozilla
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Firefox Esr
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< 115.6
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-
Affected
Mozilla
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Thunderbird
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< 115.6
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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
Search vendor "Debian" for product "Debian Linux" and version "12.0"
-
Affected