CVE-2021-23964 (GCVE-0-2021-23964)

Vulnerability from cvelistv5 – Published: 2021-02-26 15:29 – Updated: 2024-08-03 19:14
VLAI?
Summary
Mozilla developers reported memory safety bugs present in Firefox 84 and Firefox ESR 78.6. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
Severity ?
No CVSS data available.
CWE
  • Memory safety bugs fixed in Firefox 85 and Firefox ESR 78.7
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Affected: < 85
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  • 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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