oss-security - zgrep, xzgrep: arbitrary-file-write vulnerability

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Date: Thu, 07 Apr 2022 11:44:36 -0700
From: Jim Meyering <jim@...ering.net>
To: oss-security@...ts.openwall.com
Subject: zgrep, xzgrep: arbitrary-file-write vulnerability

All previous versions of gzip and xzutils are affected.

xzutils released this patch today:

  https://tukaani.org/xz/xzgrep-ZDI-CAN-16587.patch
  https://tukaani.org/xz/xzgrep-ZDI-CAN-16587.patch.sig

gzip-1.12 was released today, with the fix:

  https://lists.gnu.org/r/bug-gzip/2022-04/msg00011.html
  https://ftp.gnu.org/gnu/gzip/gzip-1.12.tar.xz
  https://ftp.gnu.org/gnu/gzip/gzip-1.12.tar.xz.sig

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