Linux Security
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Linux Security

Slackware: 2020-140-02: libexif Security Update

Date 19 May 2020
Posted By LinuxSecurity Advisories
New libexif packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues.

Hash: SHA1

[slackware-security]  libexif (SSA:2020-140-02)

New libexif packages are available for Slackware 14.0, 14.1, 14.2, and -current
to fix security issues.

Here are the details from the Slackware 14.2 ChangeLog:
patches/packages/libexif-0.6.22-i486-1_slack14.2.txz:  Upgraded.
  This update fixes bugs and security issues:
  CVE-2018-20030: Fix for recursion DoS
  CVE-2020-13114: Time consumption DoS when parsing canon array markers
  CVE-2020-13113: Potential use of uninitialized memory
  CVE-2020-13112: Various buffer overread fixes due to integer overflows
                  in maker notes
  CVE-2020-0093:  read overflow
  CVE-2019-9278:  replaced integer overflow checks the compiler could
                  optimize away by safer constructs
  CVE-2020-12767: fixed division by zero
  CVE-2016-6328:  fixed integer overflow when parsing maker notes
  CVE-2017-7544:  fixed buffer overread
  For more information, see:
  (* Security fix *)

Where to find the new packages:

Thanks to the friendly folks at the OSU Open Source Lab
( for donating FTP and rsync hosting
to the Slackware project!  :-)

Also see the "Get Slack" section on for
additional mirror sites near you.

Updated package for Slackware 14.0:

Updated package for Slackware x86_64 14.0:

Updated package for Slackware 14.1:

Updated package for Slackware x86_64 14.1:

Updated package for Slackware 14.2:

Updated package for Slackware x86_64 14.2:

Updated package for Slackware -current:

Updated package for Slackware x86_64 -current:

MD5 signatures:

Slackware 14.0 package:
2825fe83815e20b929a0985865fbf127  libexif-0.6.22-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
b14ccbf85d034fd0a92daea836a9557c  libexif-0.6.22-x86_64-1_slack14.0.txz

Slackware 14.1 package:
3b2d8dff6959aa467313b9377f3ac073  libexif-0.6.22-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
f32b37e892990abef160b9399ec5e909  libexif-0.6.22-x86_64-1_slack14.1.txz

Slackware 14.2 package:
90e72524f13208223b7183a9b2d68d92  libexif-0.6.22-i486-1_slack14.2.txz

Slackware x86_64 14.2 package:
665307c2d16876490afb23e38aa436aa  libexif-0.6.22-x86_64-1_slack14.2.txz

Slackware -current package:
9c6c7ac8ca4e0889d60eab857c2135cf  l/libexif-0.6.22-i586-1.txz

Slackware x86_64 -current package:
37623fa8c756f7320c9d566cf3ccc932  l/libexif-0.6.22-x86_64-1.txz

Installation instructions:

Upgrade the package as root:
# upgradepkg libexif-0.6.22-i486-1_slack14.2.txz


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