CVE-2023-46960 json
PyPXE Buffer Overflow vulnerability
published 2024-04-29 2 y ago modified 2026-07-07 4 mo ago also GHSA-82wx-rxf8-fxch , PYSEC-2026-1838 , EUVD-2024-1150
- cvss
- 8.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
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.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
| CNA | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
| GitHub | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
| OSV | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | pypxe | <=1.8.4 |
no fix listed |
Affected products
- pure_python_pxe pypxe
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
github.com
/pypxe/PyPXE/issues/206
web
-
nvd.nist.gov
/vuln/detail/CVE-2023-46960
advisory
-
github.com
/pypxe/PyPXE
package
-
pypi.org
/project/pypxe
package
-
github.com
/advisories/GHSA-82wx-rxf8-fxch
advisory
Sources
- CVE List CVE-2023-46960
- GitHub Advisory GHSA-82wx-rxf8-fxch
- NVD CVE-2023-46960
- OSV PYSEC-2026-1838
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.