Important: gpdf security update
Security Advisory: Important
An updated gpdf package that fixes multiple security issues is now
available for Red Hat Enterprise Linux 4.
This update has been rated as having important security impact by the Red
Hat Security Response Team.
GPdf is a viewer for Portable Document Format (PDF) files.
Multiple integer overflow flaws were found in GPdf's JBIG2 decoder. An
attacker could create a malicious PDF file that would cause GPdf to crash
or, potentially, execute arbitrary code when opened. (CVE-2009-0147,
CVE-2009-1179)
Multiple buffer overflow flaws were found in GPdf's JBIG2 decoder. An
attacker could create a malicious PDF file that would cause GPdf to crash
or, potentially, execute arbitrary code when opened. (CVE-2009-0146,
CVE-2009-1182)
Multiple flaws were found in GPdf's JBIG2 decoder that could lead to the
freeing of arbitrary memory. An attacker could create a malicious PDF file
that would cause GPdf to crash or, potentially, execute arbitrary code when
opened. (CVE-2009-0166, CVE-2009-1180)
Multiple input validation flaws were found in GPdf's JBIG2 decoder. An
attacker could create a malicious PDF file that would cause GPdf to crash
or, potentially, execute arbitrary code when opened. (CVE-2009-0800)
Multiple denial of service flaws were found in GPdf's JBIG2 decoder. An
attacker could create a malicious PDF that would cause GPdf to crash when
opened. (CVE-2009-0799, CVE-2009-1181, CVE-2009-1183)
Red Hat would like to thank Braden Thomas and Drew Yao of the Apple Product
Security team, and Will Dormann of the CERT/CC for responsibly reporting
these flaws.
Users are advised to upgrade to this updated package, which contains
backported patches to correct these issues.
Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.
This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259
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