CVE-2021-1820 (GCVE-0-2021-1820)

Vulnerability from cvelistv5 – Published: 2021-09-08 14:54 – Updated: 2024-08-03 16:25
VLAI?
Summary
A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may result in the disclosure of process memory.
Severity ?
No CVSS data available.
CWE
  • Processing maliciously crafted web content may result in the disclosure of process memory
Assigner
References
Impacted products
Vendor Product Version
Apple iOS and iPadOS Affected: unspecified , < 14.5 (custom)
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    Apple tvOS Affected: unspecified , < 14.5 (custom)
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    Apple watchOS Affected: unspecified , < 7.4 (custom)
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    Apple macOS Affected: unspecified , < 11.3 (custom)
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  }
}


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Sightings

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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.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.