CVE-2020-10223

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-03-08 · updated 2026-06-17
Weakness: CWE-787

Description

npdf.dll in Nitro Pro before 13.13.2.242 is vulnerable to JBIG2Decode CNxJBIG2DecodeStream Heap Corruption at npdf!CAPPDAnnotHandlerUtils::create_popup_for_markup+0x12fbe via a crafted PDF document.

Affected products

Nitro Pro: before 13.13.2.242 — fixed in 13.13.2.242

How to fix

Upgrade to a fixed version: Nitro Pro 13.13.2.242. Check the vendor advisory for mitigations.

References

https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2020-03-05-fuzzing-heap-corruption-nitro-pdf-vulnerability.md
https://nafiez.github.io/security/vulnerability/corruption/fuzzing/2020/03/05/fuzzing-heap-corruption-nitro-pdf-vulnerability.html
https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2020-03-05-fuzzing-heap-corruption-nitro-pdf-vulnerability.md
https://nafiez.github.io/security/vulnerability/corruption/fuzzing/2020/03/05/fuzzing-heap-corruption-nitro-pdf-vulnerability.html

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