The JBIG2Globals library in npdf.dll in Nitro Free PDF Reader 12.0.0.112 has a CAPPDAnnotHandlerUtils::PDAnnotHandlerDestroyData2+0x90ec NULL Pointer Dereference via crafted Unicode content.
https://nafiez.github.io/security/vulnerability/remote/2019/12/12/multiple-nitro-pdf-vulnerability.html
https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-12-12-multiple-nitro-pdf-vulnerability.md
Source: Mitre, NVD
Published: 2020-01-10
Updated: 2026-06-17
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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS: 0.00007