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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