Bug#941776: poppler: CVE-2019-9959

[Salvatore Bonaccorso]

Source: poppler
Version: 0.71.0-6
Severity: important
Tags: security upstream
Forwarded: https://gitlab.freedesktop.org/poppler/poppler/issues/805
Control: found -1 0.71.0-5
Control: fixed -1 0.81.0-1

Hi,

The following vulnerability was published for poppler.

CVE-2019-9959[0]:
| The JPXStream::init function in Poppler 0.78.0 and earlier doesn't
| check for negative values of stream length, leading to an Integer
| Overflow, thereby making it possible to allocate a large memory chunk
| on the heap, with a size controlled by an attacker, as demonstrated by
| pdftocairo.


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-2019-9959
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9959
[1] https://gitlab.freedesktop.org/poppler/poppler/issues/805
[2] https://gitlab.freedesktop.org/poppler/poppler/commit/68ef84e5968a4249c2162b839ca6d7975048a557

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore