Improper input validation in [UNKNOWN] ttembed
Priority LOW 35CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
EPSS 0.01039 64th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| [UNKNOWN] | ttembed | all versions | — | No fix listed | CNA |
- ttembed Vendor[UNKNOWN] Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ttembed_project:ttembed:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Ttembed Project |
- cpe:2.3:a:ttembed_project:ttembed:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ttembed Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2018-10921
- 2026-10-03 Alias added: GHSA-5g83-qvhg-p5v8
References
More Ttembed Project Ttembed vulnerabilities
- TI-2018-07734 Improper input validation in [UNKNOWN] ttembed CVSS 3.0HIGH 7.5
Sources
- CVE-2018-10921 · CVE Program
- CVE-2018-10921 · NVD
- FIRST EPSS
- GHSA-5g83-qvhg-p5v8 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-10921 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences