Buffer overflow in Python

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.

Vulnerability class: Buffer Overflow

EPSS: 0.044 (90.3th percentile) — read the EPSS interpretation.

Affected products

  • Python — versions 2.5.0
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2009-4134?
CVE-2009-4134 is a vulnerability in Python, classified under Out-of-bounds Write. Published 2010-05-27.
Is CVE-2009-4134 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.