CVE-2021-38498 (GCVE-0-2021-38498)

Vulnerability from cvelistv5 – Published: 2021-11-03 00:03 – Updated: 2024-08-04 01:44
VLAI
Summary
During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • Use-after-free of nsLanguageAtomService object
Assigner
References
Impacted products
Vendor Product Version CPE status
Mozilla Firefox Affected: unspecified , < 93 (custom)
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Mozilla Thunderbird Affected: unspecified , < 91.2 (custom)
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Mozilla Firefox ESR Affected: unspecified , < 91.2 (custom)
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}



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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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