Note: This is a public test instance of Red Hat Bugzilla. The data contained within is a snapshot of the live data so any changes you make will not be reflected in the production Bugzilla. Email is disabled so feel free to test any aspect of the site that you want. File any problems you find or give feedback at bugzilla.redhat.com.

A stack-consumption vulnerability was found in libqpdf in QPDF 6.0.0,
which allows attackers to cause a denial of service via a crafted file,
related to the QPDF::resolveObjectsInStream function in QPDF.cc, aka an
"infinite loop".

Upstream bug:

https://github.com/qpdf/qpdf/issues/120

Upstream patch:

https://github.com/jberkenbilt/qpdf/commit/2f56805a397b4d264bcfdfc248765990084c2933
https://github.com/jberkenbilt/qpdf/commit/97c9344c4b878ddc4723486640688d2d3d38ad32
https://github.com/qpdf/qpdf/commit/ac3c81a8edcb44e2669485630d6718c96a6ad6e9

References:

http://somevulnsofadlab.blogspot.com.br/2017/07/qpdfan-infinite-loop-in-libqpdf_26.html

Created qpdf tracking bugs for this issue:

Affects: epel-6 [bug 1475511]
Affects: fedora-all [bug 1475512]

Upstream patches from comment#0 add tests for this issue.

Actual upstream patches:

https://github.com/qpdf/qpdf/commit/701b518d5c56a1449825a3a37a716c58e05e1c3e
https://github.com/qpdf/qpdf/commit/afe0242b263a9e1a8d51dd81e42ab6de2e5127eb
https://github.com/qpdf/qpdf/commit/315092dd98d5230ef0efa18b294d464d0e9f79d0
https://github.com/qpdf/qpdf/commit/603f222365252f1a1e20303b3dbe52466be3053b