The process_file function in reader.c in libdoc through 2017-10-23 has a heap-based…
Priority LOW 31CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
The process_file function in reader.c in libdoc through 2017-10-23 has a heap-based buffer over-read that allows attackers to cause a denial of service (application crash) via a crafted file.
Why it matters now
EPSS 0.00936 61st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libdoc_project:libdoc:*:*:*:*:*:*:*:* | up to 2017-10-23 | Vulnerable | Libdoc Project |
- cpe:2.3:a:libdoc_project:libdoc:*:*:*:*:*:*:*:* Versions up to 2017-10-23 Vulnerable ·Libdoc Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-20451
- 2026-10-03 Alias added: GHSA-2wch-pp5g-pc57
References
More Libdoc Project Libdoc vulnerabilities
- TI-2019-05128 In libdoc through 2019-01-28, doc2text in catdoc.c has a NULL pointer dereference. CVSS 3.0HIGH 8.8
- TI-2019-05075 In libdoc through 2019-01-28, calcFileBlockOffset in ole.c allows division by zero. CVSS 3.0MEDIUM 6.5
- TI-2018-14495 The getlong function in numutils.c in libdoc through 2017-10-23 has a heap-based buffer… CVSS 3.0MEDIUM 6.5
Sources
- CVE-2018-20451 · CVE Program
- CVE-2018-20451 · NVD
- FIRST EPSS
- GHSA-2wch-pp5g-pc57 · GitHub Advisory Database · CC BY 4.0
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