Bug#877954: poppler: CVE-2017-14976: heap overflow in FoFiType1C::convertToType0

[Salvatore Bonaccorso]

Source: poppler
Version: 0.57.0-2
Severity: important
Tags: security patch upstream
Forwarded: https://bugs.freedesktop.org/show_bug.cgi?id=102724

Hi,

the following vulnerability was published for poppler.

CVE-2017-14976[0]:
| The FoFiType1C::convertToType0 function in FoFiType1C.cc in Poppler
| 0.59.0 has a heap-based buffer over-read vulnerability if an
| out-of-bounds font dictionary index is encountered, which allows an
| attacker to launch a denial of service attack.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2017-14976
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14976
[1] https://bugs.freedesktop.org/show_bug.cgi?id=102724
[2] https://cgit.freedesktop.org/poppler/poppler/commit/?id=da63c35549e8852a410946ab016a3f25ac701bdf

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore