Public bug reported:

There’s a buffer overflow bug in lrzsz’s zsdata() function: if the
length of the data to be sent is 0, then we spit out roughly 55,000
bytes.

This can be triggered by sending the abort sequence (0x18 0x18 0x18 0x18
0x18 0x08 0x08 0x08 0x08 0x08) to sz while sz is sending a file.

There’s a patch here:
https://github.com/gooselinux/lrzsz/blob/master/lrzsz-0.12.20.patch

Where is the canonical repo for lrzsz now? Uwe Ohse doesn’t seem to
maintain it actively anymore.

** Affects: lrzsz (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1719953

Title:
  lrzsz buffer overflow

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