CVE-2023-46960 PyPXE Buffer Overflow vulnerability
A remote attacker can cause a denial of service in PyPXE via a buffer overflow in the TFTP module.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-46960?
CVE-2023-46960 is a high-severity memory corruption vulnerability in n/a, published on 29 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-120
Which versions are affected by CVE-2023-46960?
3 open source packages ship an affected version, including pypxe and PyPXE.
| Package | Affected | Fixed in |
|---|---|---|
pypxe PyPI | All versions to 1.8.4 | None |
pypxe PyPI | All versions to 1.8.4 | None |
PyPXE PyPI | All versions to 1.8.4 | None |
How do I fix CVE-2023-46960?
No fix has been published for CVE-2023-46960 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-46960 being exploited?
There is no known exploitation of CVE-2023-46960 in the wild and no public exploit code.
Sources
Also known as GHSA-82wx-rxf8-fxch, PYSEC-2026-1838.