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HIGH

CVE-2019-5053

CVSS v3

7.8

HIGH

EPSS Score

1.3 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An exploitable use-after-free vulnerability exists in the Length parsing function of NitroPDF. A specially crafted PDF can cause a type confusion, resulting in a use-after-free condition. An attacker can craft a malicious PDF to trigger this vulnerability.

Technical details

Published
2019-10-09

Frequently asked questions

What is CVE-2019-5053?

An exploitable use-after-free vulnerability exists in the Length parsing function of NitroPDF. A specially crafted PDF can cause a type confusion, resulting in a use-after-free condition. An attacker can craft a malicious PDF to trigger this vulnerability.

Is CVE-2019-5053 actively exploited?

Active exploitation of CVE-2019-5053 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-5053?

CVE-2019-5053 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2019-5053 affecting your environment?

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