CVE-2021-29970 (GCVE-0-2021-29970)

Vulnerability from cvelistv5 – Published: 2021-08-05 19:46 – Updated: 2024-08-03 22:24
VLAI
Summary
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
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 accessibility features of a document
Assigner
References
Impacted products
Vendor Product Version
Mozilla Thunderbird Affected: unspecified , < 78.12 (custom)
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Mozilla Firefox ESR Affected: unspecified , < 78.12 (custom)
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Mozilla Firefox Affected: unspecified , < 90 (custom)
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      "cve": "CVE-2021-29970",
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      "product_status:fixed": "144",
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      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Mozilla: Use-after-free in accessibility features of a document",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-29970.json",
      "version": "3"
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