Servers and applications
CVE-2009-4134
Buffer underflow in the rgbimg module in Python 2.5 allows remote attackers to cause a denial of service (application crash) via a large ZSIZE value in a black-and-white (aka B/W) RGB image that triggers an invalid pointer dereference.
- Severity
- Medium 5.0
- Published
- 27 May 2010
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 21 Oct 2026
- Exploit chance
- 4.4% in the next 30 daysHigher than 91% of CVEs. EPSS by FIRST, 12 Nov 2026
- Weakness
- Out-of-bounds write (CWE-787)
- Attack
- Over the network · No login needed
- Attacker can
- Slow it down
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
PythonServers and applications · cpe:a:python:python |
|