CVE-2021-21704
Vulnerability from cvelistv5
Published
2021-10-04 04:00
Modified
2024-09-17 00:45
EPSS score ?
0.41% (0.7389)
Summary
In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using Firebird PDO driver extension, a malicious database server could cause crashes in various database functions, such as getAttribute(), execute(), fetch() and others by returning invalid response data that is not parsed correctly by the driver. This can result in crashes, denial of service or potentially memory corruption.
Impacted products
Vendor Product Version
PHP Group PHP Version: 7.3.x   < 7.3.29
Version: 7.4.x   < 7.4.21
Version: 8.0.X   < 8.0.8
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Show details on NVD website


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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