UpHeron
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Servers and applications

CVE-2006-4980

Buffer overflow in the repr function in Python 2.3 through 2.6 before 20060822 allows context-dependent attackers to cause a denial of service and possibly execute arbitrary code via crafted wide character UTF-32/UCS-4 strings to certain scripts.

Severity
High 7.5
Published
10 Oct 2006
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
2.3.6, 2.4.4
Exploit chance
5.6% in the next 30 daysHigher than 93% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
PythonServers and applications · cpe:a:python:python
  • Every version before 2.3.6
  • From 2.4.0 before 2.4.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2006-4980
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2006-4980