Is CVE-2026-57251 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-57251?

CVE-2026-57251 has a CVSS v3 severity of HIGH (7.8).

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CVE-2026-57251

Description

The application opens a PDF, but the cloud-like appearance of the construction process lacks proper setting of an upper limit and consistency checks. Out-of-bounds access to the underlying array is exposed, ultimately leading to a crash of the application.