Heap-based buffer overflow in the HX_split function in string.c in libHX before 3.6…
Priority MEDIUM 51CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Heap-based buffer overflow in the HX_split function in string.c in libHX before 3.6 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a string that is inconsistent with the expected number of fields.
Why it matters now
EPSS 0.05506 92nd 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 29
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jan_engelhardt:libhx:*:*:*:*:*:*:*:* | up to 3.5 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:1.10.0:*:*:*:*:*:*:* | 1.10.0 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:1.10.1:*:*:*:*:*:*:* | 1.10.1 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:1.10.2:*:*:*:*:*:*:* | 1.10.2 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:1.15:*:*:*:*:*:*:* | 1.15 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:1.17:*:*:*:*:*:*:* | 1.17 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:1.18:*:*:*:*:*:*:* | 1.18 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:1.22:*:*:*:*:*:*:* | 1.22 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:1.23:*:*:*:*:*:*:* | 1.23 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:1.25:*:*:*:*:*:*:* | 1.25 | Vulnerable | Jan Engelhardt |
- cpe:2.3:a:jan_engelhardt:libhx:*:*:*:*:*:*:*:* Versions up to 3.5 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:1.10.0:*:*:*:*:*:*:* Versions 1.10.0 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:1.10.1:*:*:*:*:*:*:* Versions 1.10.1 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:1.10.2:*:*:*:*:*:*:* Versions 1.10.2 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:1.15:*:*:*:*:*:*:* Versions 1.15 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:1.17:*:*:*:*:*:*:* Versions 1.17 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:1.18:*:*:*:*:*:*:* Versions 1.18 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:1.22:*:*:*:*:*:*:* Versions 1.22 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:1.23:*:*:*:*:*:*:* Versions 1.23 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:1.25:*:*:*:*:*:*:* Versions 1.25 Vulnerable ·Jan Engelhardt
Show 19 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jan_engelhardt:libhx:1.26:*:*:*:*:*:*:* | 1.26 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:1.27:*:*:*:*:*:*:* | 1.27 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:1.28:*:*:*:*:*:*:* | 1.28 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:2.2:*:*:*:*:*:*:* | 2.2 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:2.3:*:*:*:*:*:*:* | 2.3 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:2.4:*:*:*:*:*:*:* | 2.4 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:2.5:*:*:*:*:*:*:* | 2.5 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:2.6:*:*:*:*:*:*:* | 2.6 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:2.7:*:*:*:*:*:*:* | 2.7 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:2.8:*:*:*:*:*:*:* | 2.8 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:2.9:*:*:*:*:*:*:* | 2.9 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:3.0.1:*:*:*:*:*:*:* | 3.0.1 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:3.3:*:*:*:*:*:*:* | 3.3 | Vulnerable | Jan Engelhardt |
| cpe:2.3:a:jan_engelhardt:libhx:3.4:*:*:*:*:*:*:* | 3.4 | Vulnerable | Jan Engelhardt |
- cpe:2.3:a:jan_engelhardt:libhx:1.26:*:*:*:*:*:*:* Versions 1.26 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:1.27:*:*:*:*:*:*:* Versions 1.27 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:1.28:*:*:*:*:*:*:* Versions 1.28 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:2.2:*:*:*:*:*:*:* Versions 2.2 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:2.3:*:*:*:*:*:*:* Versions 2.3 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:2.4:*:*:*:*:*:*:* Versions 2.4 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:2.5:*:*:*:*:*:*:* Versions 2.5 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:2.6:*:*:*:*:*:*:* Versions 2.6 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:2.7:*:*:*:*:*:*:* Versions 2.7 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:2.8:*:*:*:*:*:*:* Versions 2.8 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:2.9:*:*:*:*:*:*:* Versions 2.9 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:3.0.1:*:*:*:*:*:*:* Versions 3.0.1 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·Jan Engelhardt
- cpe:2.3:a:jan_engelhardt:libhx:3.4:*:*:*:*:*:*:* Versions 3.4 Vulnerable ·Jan Engelhardt
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2010-2947
- 2026-10-03 Alias added: GHSA-r6wf-w69j-7xp6
References
Advisory 2
Other 5
- ADV-2010-2232
- [oss-security] 20100820 CVE Request: heap-based buffer overflow in libHX
- http://libhx.git.sourceforge.net/git/gitweb.cgi?p=libhx/libhx%3Ba=commit%3Bh=904a46f90dd3f046bfac0b64a5e813d7cd4fca59
- [oss-security] 20100820 Re: CVE Request: heap-based buffer overflow in libHX
- https://bugzilla.redhat.com/show_bug.cgi?id=625866
Sources
- CVE-2010-2947 · CVE Program
- CVE-2010-2947 · NVD
- FIRST EPSS
- GHSA-r6wf-w69j-7xp6 · GitHub Advisory Database · CC BY 4.0
- CVE-2010-2947 · Red Hat security data · CC BY 4.0
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