Bug#923553: poppler: CVE-2019-9543: recursive function call in function JBIG2Stream::readGenericBitmap()

[Salvatore Bonaccorso]

Source: poppler
Version: 0.71.0-2
Severity: important
Tags: security upstream
Forwarded: https://gitlab.freedesktop.org/poppler/poppler/issues/730

Hi,

The following vulnerability was published for poppler.

CVE-2019-9543[0]:
| An issue was discovered in Poppler 0.74.0. A recursive function call,
| in JBIG2Stream::readGenericBitmap() located in JBIG2Stream.cc, can be
| triggered by sending a crafted pdf file to (for example) the
| pdfseparate binary. It allows an attacker to cause Denial of Service
| (Segmentation fault) or possibly have unspecified other impact. This is
| related to JArithmeticDecoder::decodeBit.

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-2019-9543
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9543
[1] https://gitlab.freedesktop.org/poppler/poppler/issues/730

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore