Out-of-bounds write in htmldoc
Priority LOW 36CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A flaw was found in htmldoc in v1.9.12. Heap buffer overflow in pspdf_prepare_page(),in ps-pdf.cxx may lead to execute arbitrary code and denial of service.
Why it matters now
EPSS 0.00959 61st percentileScored 2026-11-07
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 |
|---|---|---|---|---|---|
| — | htmldoc | htmldoc 1.9.15 | — | No fix listed | CNA |
- htmldoc Vendor— Affected htmldoc 1.9.15 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:htmldoc_project:htmldoc:1.9.12:*:*:*:*:*:*:* | 1.9.12 | Vulnerable | Htmldoc Project |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 34 | Vulnerable | Fedoraproject |
- cpe:2.3:a:htmldoc_project:htmldoc:1.9.12:*:*:*:*:*:*:* Versions 1.9.12 Vulnerable ·Htmldoc Project
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2021-26252
- 2026-10-03 Alias added: GHSA-xfrq-7xgg-w3v5
References
Sources
- CVE-2021-26252 · CVE Program
- CVE-2021-26252 · NVD
- FIRST EPSS
- GHSA-xfrq-7xgg-w3v5 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-26252 · 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