cve.bz

CVE-2021-21797

7.8 highEPSS 15%

High (7.8) in gonitro nitro pro. EPSS 15% chance of exploitation in the next 30 days.

An exploitable double-free vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause a reference to a timeout object to be stored in two different places. When closed, the document will result in the reference being released twice. This can lead to code execution under the context of the application. An attacker can convince a user to open a document to trigger this vulnerability.

Severity

CVSS 3.1

7.8 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
15% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
CWE
CWE-415
Published
Modified
Record from
the NVD, synced

Affected

References

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