An issue was discovered in Xpdf 4.01.01. There is an Integer overflow in the function JBIG2Bitmap::combine at JBIG2Stream.cc for the "one byte per line" case.
https://github.com/TeamSeri0us/pocs/tree/master/xpdf/4.01.01
https://forum.xpdfreader.com/viewtopic.php?f=3&t=41851
Source: Mitre, NVD
Published: 2019-07-27
Updated: 2019-07-29
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00201