Double free vulnerability in the _zip_dirent_read function in zip_dirent.c in libzip allows attackers to have unspecified impact via unknown vectors.

**Version 1.3.0**

It contains fixes for two possible security problems. The problems were identified by Brian 'geeknik' Carpenter and Agostino Sarubbo using AFL. 

The changes are :

  - Support bzip2 compressed zip archives

  - Improve file progress callback code

  - Fix zip_fdopen()

  - CVE-2017-12858: Fix double free().

  - CVE-2017-14107: Improve EOCD64 parsing.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update fixes CVE-2017-12858.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
105913	Fedora 27 : libzip (2017-7bd193c0ed)	Nessus	Fedora Local Security Checks	critical
102986	Fedora 25 : mingw-libzip (2017-f0b31bc9c5)	Nessus	Fedora Local Security Checks	critical
102984	Fedora 26 : libzip (2017-840db88351)	Nessus	Fedora Local Security Checks	critical
102896	Fedora 26 : mingw-libzip (2017-5617ab3b38)	Nessus	Fedora Local Security Checks	critical

Detections

Analytics

CVE-2017-12858

critical

Tenable Plugins

critical

critical

critical

critical