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HIGH

CVE-2018-10921

CVSS v3

7.5

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Certain input files may trigger an integer overflow in ttembed input file processing. This overflow could potentially lead to corruption of the input file due to a lack of checking return codes of fgetc/fputc function calls.

Technical details

Published
2018-08-02

Frequently asked questions

What is CVE-2018-10921?

Certain input files may trigger an integer overflow in ttembed input file processing. This overflow could potentially lead to corruption of the input file due to a lack of checking return codes of fgetc/fputc function calls.

Is CVE-2018-10921 actively exploited?

Active exploitation of CVE-2018-10921 has not been confirmed. Its EPSS score was 1.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-10921?

CVE-2018-10921 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2018-10921 affecting your environment?

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