GSD-2024-3855

Vulnerability from gsd - Updated: 2024-04-16 05:01
Details
In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox < 125.
Aliases
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{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-3855"
      ],
      "details": "In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox \u003c 125.",
      "id": "GSD-2024-3855",
      "modified": "2024-04-16T05:01:59.571450Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@mozilla.org",
        "ID": "CVE-2024-3855",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Firefox",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "unspecified",
                          "version_value": "125"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Mozilla"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "Lukas Bernhard"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox \u003c 125."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Incorrect JIT optimization of MSubstr leads to out-of-bounds reads"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1885828",
            "refsource": "MISC",
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1885828"
          },
          {
            "name": "https://www.mozilla.org/security/advisories/mfsa2024-18/",
            "refsource": "MISC",
            "url": "https://www.mozilla.org/security/advisories/mfsa2024-18/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox \u003c 125."
          },
          {
            "lang": "es",
            "value": "En ciertos casos, el JIT optimiz\u00f3 incorrectamente las operaciones de MSubstr, lo que provoc\u00f3 lecturas fuera de los l\u00edmites. Esta vulnerabilidad afecta a Firefox \u0026lt; 125."
          }
        ],
        "id": "CVE-2024-3855",
        "lastModified": "2024-04-17T12:48:31.863",
        "metrics": {},
        "published": "2024-04-16T16:15:08.487",
        "references": [
          {
            "source": "security@mozilla.org",
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1885828"
          },
          {
            "source": "security@mozilla.org",
            "url": "https://www.mozilla.org/security/advisories/mfsa2024-18/"
          }
        ],
        "sourceIdentifier": "security@mozilla.org",
        "vulnStatus": "Awaiting Analysis"
      }
    }
  }
}



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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.
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  • 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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