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Amazon Linux AMI 2: CVE-2021-26937: Security patch for screen (ALAS-2021-1623)

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Amazon Linux AMI 2: CVE-2021-26937: Security patch for screen (ALAS-2021-1623)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
02/09/2021
Created
03/30/2021
Added
03/29/2021
Modified
09/30/2022

Description

encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence.

Solution(s)

  • amazon-linux-ami-2-upgrade-screen
  • amazon-linux-ami-2-upgrade-screen-debuginfo

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