Buffer Overflow vulnerability in PyPXE v.1.8.4 allows a remote attacker to cause a denial…
Priority MEDIUM 44CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
Buffer Overflow vulnerability in PyPXE v.1.8.4 allows a remote attacker to cause a denial of service via the handle function in the tftp module.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00543 45th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | PyPXE (PyPI) | up to 1.8.4 | — | No fix listed | GHSA-82wx-rxf8-fxch |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- PyPXE (PyPI) Vendor— Affected up to 1.8.4 Fixed in — No fix listed GHSA-82wx-rxf8-fxch
CPE names CISA-ADP · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pure_python_pxe:pypxe:1.8.4:*:*:*:*:*:*:* | 1.8.4 | — | — |
- cpe:2.3:a:pure_python_pxe:pypxe:1.8.4:*:*:*:*:*:*:* Versions 1.8.4 — ·—
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-46960
- 2026-10-03 Alias added: GHSA-82wx-rxf8-fxch
References
Sources
- CVE-2023-46960 · CVE Program
- CVE-2023-46960 · NVD
- FIRST EPSS
- GHSA-82wx-rxf8-fxch · GitHub Advisory Database · CC BY 4.0
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