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Fedora 22: FEDORA-2016-338a7e9925 Critical: Graphite2 Font Render Threat

fedora
Calendar Grey May 10, 2016
Dist Fedora Esm H88
Essential improvements for graphite2 in Fedora responding to various CVE vulnerabilities aimed at bolstering system safety and reliability.
Unspecified security fixes ---- Security fix for CVE-2016-1521, CVE-2016-1522, CVE-2016-1523 and CVE-2016-1526

Summary

Graphite2 is a project within SIL’s Non-Roman Script Initiative and Language

Software Development groups to provide rendering capabilities for complex

non-Roman writing systems. Graphite can be used to create “smart fonts” capable

of displaying writing systems with various complex behaviors. With respect to

the Text Encoding Model, Graphite handles the "Rendering" aspect of writing

system implementation.

Update Information:

Unspecified security fixes ---- Security fix for CVE-2016-1521, CVE-2016-1522, CVE-2016-1523 and CVE-2016-1526

Topics%20covered

Topics Covered

security advisory critical Fedora software fix font rendering

Change Log

References


[ 1 ] Bug #1305806 - CVE-2016-1521 graphite2: Two out-of-bound read vulnerabilities triggered by crafted fonts [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=1305806 [ 2 ] Bug #1308591 - CVE-2016-1526 graphite2: Out-of-bounds read vulnerability in TfUtil:LocaLookup [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=1308591 [ 3 ] Bug #1305814 - CVE-2016-1523 graphite2: Heap-based buffer overflow in context item handling functionality [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=1305814 [ 4 ] Bug #1305811 - CVE-2016-1522 graphite2: Null pointer dereference and out-of-bounds access vulnerabilities [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=1305811

Update Instructions

This update can be installed with the "yum" update program. Use su -c 'yum update graphite2' at the command line. For more information, refer to "Managing Software with yum", available at .

Severity
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Name: graphite2
Product: Fedora 22
Version: 1.3.6
Release: 1.fc22
URL: https://sourceforge.net/projects/silgraphite/
Summary: Font rendering capabilities for complex non-Roman writing systems

Topics%20covered

Topics Covered

security advisory critical Fedora software fix font rendering

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