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Bug 1545288 - (CVE-2017-18186) CVE-2017-18186 qpdf: infinite loop due to looping xref tables in QPDF.cc
CVE-2017-18186 qpdf: infinite loop due to looping xref tables in QPDF.cc
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20170824,reported=2...
: Security
Depends On: 1554733 1554734
Blocks: 1545293
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Reported: 2018-02-14 09:37 EST by Laura Pardo
Modified: 2018-03-29 18:05 EDT (History)
3 users (show)

See Also:
Fixed In Version: qpdf 7.1.1
Doc Type: If docs needed, set a value
Doc Text:
A denial of service flaw was found in the way QPDF parsed PDF files. An attacker could potentially use this flaw to cause QPDF to enter an infinite loop by tricking it into processing crafted QPDF files.
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Description Laura Pardo 2018-02-14 09:37:14 EST 
A flaw was found in QPDF before 7.0.0. There is an infinite loop due to looping xref tables in QPDF.cc. This allows an attacker to cause a denial of service via a crafted file.


External References:

https://github.com/qpdf/qpdf/issues/149

Upstream Patch:

https://github.com/qpdf/qpdf/commit/85f05cc57ffa0a863d9d9b23e73acea9410b2937
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