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CVE-2026-3777

MEDIUM
5.5

Description

The application does not properly validate the lifetime and validity of internal view cache pointers after JavaScript changes the document zoom and page state. When a script modifies the zoom property and then triggers a page change, the original view object may be destroyed while stale pointers are still kept and later dereferenced, which under crafted JavaScript and document structures can lead to a use-after-free condition and potentially allow arbitrary code execution.

CVE Details

CVSS v3.1 Score5.5
SeverityMEDIUM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack VectorLOCAL
ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
Published4/1/2026
Last Modified4/1/2026
Sourcenvd
Honeypot Sightings0

Weaknesses (CWE)

CWE-416

References

https://www.foxit.com/support/security-bulletins.html(14984358-7092-470d-8f34-ade47a7658a2)

IOC Correlations

No correlations recorded

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