[Bug 1961800] Re: Seeing out of memory errors after upgrade to 2.2.5-3ubuntu0.4

[Francis Ginther]

I was able to workaround the issue by downgrading to the release version
of the package:

$ sudo apt-get install libexpat1=2.2.5-3 libexpat1-dev=2.2.5-3

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https://bugs.launchpad.net/bugs/1961800

Title:
  Seeing out of memory errors after upgrade to 2.2.5-3ubuntu0.4

Status in expat package in Ubuntu:
  New

Bug description:
  I started seeing errors parsing XML files today (Feb 22, 2022) after
  my system was updated to 2.2.5-3ubuntu0.4. This is on a bionic server.

  The parsing is being done by python3's xmltodict module, which uses
  python3 expat as the actual parser. This is the error it raises:

  xml.parsers.expat.ExpatError: out of memory: line 1, column 0

  So far this is happening on multiple xml files, although they all come
  from the same source (these are jenkins config.xml files). I'm working
  on coming up with a minimal test case which I'll provide once I have
  it cleaned up of any private data.

  [System info]
  $ lsb_release -rd
  Description:    Ubuntu 18.04.6 LTS
  Release:        18.04

  $ apt-cache policy libexpat1
  libexpat1:
    Installed: 2.2.5-3ubuntu0.4
    Candidate: 2.2.5-3ubuntu0.4
    Version table:
   *** 2.2.5-3ubuntu0.4 500
          500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
          500 http://archive.ubuntu.com/ubuntu bionic-security/main amd64 Packages
          100 /var/lib/dpkg/status
       2.2.5-3 500
          500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages

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