CVE-2026-2785 (GCVE-0-2026-2785)

Vulnerability from cvelistv5 – Published: 2026-02-24 13:33 – Updated: 2026-02-24 17:30
VLAI?
Title
Invalid pointer in the JavaScript Engine component
Summary
Invalid pointer in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Affected: unspecified , < 148 (custom)
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    Mozilla Firefox ESR Affected: unspecified , < 140.8 (custom)
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    Mozilla Thunderbird Affected: unspecified , < 148 (custom)
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    Mozilla Thunderbird Affected: unspecified , < 140.8 (custom)
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Credits
Information to follow
Show details on NVD website
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "148",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Firefox ESR",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "140.8",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "148",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "140.8",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Information to follow"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Invalid pointer in the JavaScript Engine component. This vulnerability affects Firefox \u003c 148, Firefox ESR \u003c 140.8, Thunderbird \u003c 148, and Thunderbird \u003c 140.8."
            }
          ],
          "value": "Invalid pointer in the JavaScript Engine component. This vulnerability affects Firefox \u003c 148, Firefox ESR \u003c 140.8, Thunderbird \u003c 148, and Thunderbird \u003c 140.8."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-24T17:30:37.096Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2013549"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-13/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-15/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-16/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-17/"
        }
      ],
      "title": "Invalid pointer in the JavaScript Engine component"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2026-2785",
    "datePublished": "2026-02-24T13:33:18.254Z",
    "dateReserved": "2026-02-19T15:06:21.995Z",
    "dateUpdated": "2026-02-24T17:30:37.096Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • 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.



Detection rules are retrieved from Rulezet.