Comment 2 for bug 1918017

Revision history for this message
Brian Murray (brian-murray) wrote : Re: ksh93 problems

Shortly after the release of Ubuntu 20.04 LTS ksh was reverted back to version 93u+.

ksh (2020.0.0+really93u+20120801-6) unstable; urgency=high

  * v2020 of ksh is no longer being maintained and upstream repository has
    been reverted back to the last stable version of 93u+. This update
    reverts back the ksh2020 changes back to the original ksh93 from AT&T.
  * Patch for CVE-2019-14868 - certain environment variables were
    interpreted as arithmetic expressions on startup, leading to code
    injection

 -- Anuradha Weeraman <email address hidden> Sat, 27 Jun 2020 21:17:32 -0400

It might be possible to create an SRU of ksh to Ubuntu 20.04 LTS that also reverts it to revision 93u. The SRU process is documented at https://wiki.ubuntu.com/StableReleaseUpdates.