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CVE-2023-6859 (GCVE-0-2023-6859)

Vulnerability from cvelistv5 – Published: 2023-12-19 13:38 – Updated: 2025-02-13 17:26
VLAI
Summary
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.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • Use-after-free in PR_GetIdentitiesLayer
Assigner
References
Impacted products
Vendor Product Version CPE status
Mozilla Firefox ESR Affected: unspecified , < 115.6 (custom)
guessed Create a notification for this product.
Mozilla Thunderbird Affected: unspecified , < 115.6 (custom)
guessed Create a notification for this product.
Mozilla Firefox Affected: unspecified , < 121 (custom)
guessed Create a notification for this product.
Credits
Irvan Kurniawan
Show details on NVD website
To clipboard 

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      "product_status:fixed": "311",
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      "current_release_date": "2026-08-31T01:15:14Z",
      "cve": "CVE-2023-6859",
      "id": "CVE-2023-6859",
      "initial_release_date": "2023-12-20T02:09:28Z",
      "product_status:known_affected": "36",
      "product_status:recommended": "258",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-6859",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-6859.json",
      "version": "31"
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.