CVE-2026-16405 (GCVE-0-2026-16405)

Vulnerability from cvelistv5 – Published: 2026-07-21 12:38 – Updated: 2026-07-21 12:38
VLAI
Title
Information disclosure in the Networking: WebSockets component
Summary
Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 140.13 , ≤ 140.* (rpm)
Unaffected: 153 , ≤ * (rpm)
Create a notification for this product.
Credits
Yaqoub Aldurayhim
Show details on NVD website
To clipboard 

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            }
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      ],
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          "value": "Yaqoub Aldurayhim"
        }
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      "providerMetadata": {
        "dateUpdated": "2026-07-21T12:38:17.436Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2036591"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-68/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-70/"
        }
      ],
      "title": "Information disclosure in the Networking: WebSockets component"
    }
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  "cveMetadata": {
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    "datePublished": "2026-07-21T12:38:17.436Z",
    "dateReserved": "2026-07-20T21:57:42.043Z",
    "dateUpdated": "2026-07-21T12:38:17.436Z",
    "state": "PUBLISHED"
  },
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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.


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