What is CVE-2018-10921?

CVE-2018-10921 is a medium-severity vulnerability in Ttembed Project, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2018-08-02.

How severe is CVE-2018-10921?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Integer overflow in Ttembed Project

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-08-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (62.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

References

github.com/hisdeedsaredust/ttembed/issues/3 (Exploit, Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-10921?: CVE-2018-10921 is a medium-severity vulnerability in Ttembed Project, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2018-08-02.
How severe is CVE-2018-10921?: Medium severity. CVSS v3 base score is 4.3 out of 10.