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Fedora 21 Unzip Security Advisory: Critical Heap Overflow and DoS Fix

fedora
Calendar Grey October 5, 2015
Dist Fedora Esm H88
Resolution for heap overflow and endless iteration concerns in unzip for Fedora 21, promoting enhanced security and system reliability.
unzip-6.0-22.fc21 - Fix heap overflow and infinite loop when invalid input is given (#1260947) unzip-6.0-22.fc22 - Fix heap overflow and infinite loop when invalid input is given ...

Summary

The unzip utility is used to list, test, or extract files from a zip

archive. Zip archives are commonly found on MS-DOS systems. The zip

utility, included in the zip package, creates zip archives. Zip and

unzip are both compatible with archives created by PKWARE(R)'s PKZIP

for MS-DOS, but the programs' options and default behaviors do differ

in some respects.

Install the unzip package if you need to list, test or extract files from

a zip archive.

Update Information:

unzip-6.0-22.fc21 - Fix heap overflow and infinite loop when invalid input is given (#1260947) unzip-6.0-22.fc22 - Fix heap overflow and infinite loop when invalid input is given (#1260947) unzip-6.0-23.fc23 - Fix heap overflow and infinite loop when invalid input is given (#1260947)

Topics%20covered

Topics Covered

security advisory security update Fedora DoS unzip heap overflow

Change Log

References


[ 1 ] Bug #1260944 - unzip: Heap overflow and DoS in 6.0 https://bugzilla.redhat.com/show_bug.cgi?id=1260944

Update Instructions

This update can be installed with the "yum" update program. Use su -c 'yum update unzip' at the command line. For more information, refer to "Managing Software with yum", available at .

Severity
critical
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Name: unzip
Product: Fedora 21
Version: 6.0
Release: 22.fc21
URL:
Summary: A utility for unpacking zip files

Topics%20covered

Topics Covered

security advisory security update Fedora DoS unzip heap overflow

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