Description
In Xpdf 4.01.01, a heap-based buffer over-read could be triggered in FoFiType1C::convertToType0 in fofi/FoFiType1C.cc when it is trying to access the second privateDicts array element, because the privateDicts array has only one element allocated.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | poppler | 0.57.0-2ubuntu4 | — |
| Ubuntu 16.04 LTS | poppler | 0.41.0-0ubuntu1.6 | — |
References
- https://forum.xpdfreader.com/viewtopic.php?f=3&t=41815
- FEDORA-2019-a457286734 vendor-advisory
- FEDORA-2019-01da705767 vendor-advisory
- FEDORA-2019-759ba8202b vendor-advisory