poppler: integer overflow in JPXStream::init function leading to memory consumption (CVE-2019-9959)

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.

Fixed In Version:

poppler 0.79

References:

• https://gitlab.freedesktop.org/poppler/poppler/blob/master/NEWS
• https://nvd.nist.gov/vuln/detail/CVE-2019-9959
• https://gitlab.freedesktop.org/poppler/poppler/issues/805

Patch:

https://gitlab.freedesktop.org/poppler/poppler/commit/68ef84e5968a4249c2162b839ca6d7975048a557

Affected branches:

• master
• 3.10-stable
• 3.9-stable
• 3.8-stable
• 3.7-stable