[Bug 1405676] [NEW] unzip crashes with segmentation fault on hand-crafted zip file

[nukul]

Public bug reported:

Attached is a zip file that triggers a segmentation fault when trying to
unpack it with the latest version of unzip in utopic (6.0-12). (unzip -p
and funzip do not crash).

This crash is not present with unzip 6.0.12 and 6.0-13 from Debian
testing and unstable, respectively.

Found with american fuzzy lop

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

** Attachment added: "Crash sample"
   https://bugs.launchpad.net/bugs/1405676/+attachment/4287414/+files/unzip_segfault.zip

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https://bugs.launchpad.net/bugs/1405676

Title:
  unzip crashes with segmentation fault on hand-crafted zip file

Status in unzip package in Ubuntu:
  New

Bug description:
  Attached is a zip file that triggers a segmentation fault when trying
  to unpack it with the latest version of unzip in utopic (6.0-12).
  (unzip -p and funzip do not crash).

  This crash is not present with unzip 6.0.12 and 6.0-13 from Debian
  testing and unstable, respectively.

  Found with american fuzzy lop

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