Catalog.cc in Xpdf 4.02 has a NULL pointer dereference because Catalog.pageLabels is initialized too late in the Catalog constructor.
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMDB2CGUYDW2RENE2I2TT6QNFEEI2CNF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D5PYIAP2RXTYD4Y4FYFIK5K644LMDJWX/
https://forum.xpdfreader.com/viewtopic.php?f=3&t=41890
http://packetstormsecurity.com/files/154713/Xpdf-4.02-NULL-Pointer-Dereference.html
Source: Mitre, NVD
Published: 2019-10-01
Updated: 2023-11-07
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS: 0.0026