CVE-2021-43539 (GCVE-0-2021-43539)

Vulnerability from cvelistv5 – Published: 2021-12-08 21:20 – Updated: 2024-08-04 04:03
VLAI
Summary
Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • GC rooting failure when calling wasm instance methods
Assigner
mozilla CNA under the mitre root
CNA scorecard E 38/100 over 546 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Mozilla Thunderbird Affected: unspecified , < 91.4.0 (custom)
guessed Create a notification for this product.
Mozilla Firefox ESR Affected: unspecified , < 91.4.0 (custom)
guessed Create a notification for this product.
Mozilla Firefox Affected: unspecified , < 95 (custom)
guessed Create a notification for this product.
Show details on NVD website
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      "id": "CVE-2021-43539",
      "initial_release_date": "2021-12-07T00:00:00+00:00",
      "product_status:fixed": "164",
      "product_status:known_affected": "4",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Mozilla: GC rooting failure when calling wasm instance methods",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-43539.json",
      "version": "3"
    }
  }
}



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Sightings

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