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Amazon Linux AMI: CVE-2021-22570: Security patch for protobuf (ALAS-2023-1676)

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Amazon Linux AMI: CVE-2021-22570: Security patch for protobuf (ALAS-2023-1676)

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
01/26/2022
Created
02/08/2023
Added
02/07/2023
Modified
02/07/2023

Description

Nullptr dereference when a null char is present in a proto symbol. The symbol is parsed incorrectly, leading to an unchecked call into the proto file's name during generation of the resulting error message. Since the symbol is incorrectly parsed, the file is nullptr. We recommend upgrading to version 3.15.0 or greater.

Solution(s)

  • amazon-linux-upgrade-protobuf

References

  • ALAS-2023-1676
  • CVE-2021-22570
  • USN-5490-1

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