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Fencer Vulns
high 7.5

CVE-2006-4980 json

Buffer overflow in the repr function in Python 2.3 through 2.6 before 20060822 allows context-dependent attackers to cause a denial of serv…

published 2006-10-09 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-4966

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.6%
EPSS 5.6% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

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.

Patch / fix

  • python python 2.3.6, 2.4.4
  • rhn-solaris-bootstrap network satellite 5.1 5.1.1-3
  • rhn_solaris_bootstrap_5_1_1_3 network satellite 5.1 1-0
  • rhn-solaris-bootstrap network satellite 5.0, network satellite 4.2 5.0.2-3
  • rhn_solaris_bootstrap_5_0_2_3 network satellite 5.0, network satellite 4.2 1-0
  • python RHEL 3 2.2.3-6.5
  • python RHEL 4 2.3.4-14.3
  • tkinter RHEL 3 2.2.3-6.5
  • tkinter RHEL 4 2.3.4-14.3

red hat advisories RHSA-2008:0629RHSA-2008:0525RHSA-2008:0264RHSA-2006:0713

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2006-4980 updated

python repr unicode buffer overflow

  • Red Hat Desktop version 3 python 2.2.3-6.5, tkinter 2.2.3-6.5, python-tools 2.2.3-6.5 Red Hat Enterprise Linux AS version 3 python 2.2.3-6.5, tkinter 2.2.3-6.5, python-tools 2.2.3-6.5 Red Hat Enterprise Linux AS version 4 python 2.3.4-14.3, tkinter 2.3.4-14.3, python-tools 2.3.4-14.3 Red Hat Enterprise Linux Desktop version 4 python 2.3.4-14.3, tkinter 2.3.4-14.3, python-tools 2.3.4-14.3 Red Hat Enterprise Linux ES version 3 python 2.2.3-6.5, tkinter 2.2.3-6.5, python-tools 2.2.3-6.5 Red Hat Enterprise Linux ES version 4 python 2.3.4-14.3, tkinter 2.3.4-14.3, python-tools 2.3.4-14.3
    +2 more products
    Red Hat Enterprise Linux WS version 3 python 2.2.3-6.5, tkinter 2.2.3-6.5, python-tools 2.2.3-6.5 Red Hat Enterprise Linux WS version 4 python 2.3.4-14.3, tkinter 2.3.4-14.3, python-tools 2.3.4-14.3
    fixed: vendor fix RHSA-2006:0713
  • Red Hat Satellite 5.0 (RHEL v.4 AS) rhn-solaris-bootstrap 5.0.2-3, rhn_solaris_bootstrap_5_0_2_3 1-0
    fixed: vendor fix RHSA-2008:0264
  • Red Hat Satellite 5.1 (RHEL v.4 AS) rhn-solaris-bootstrap 5.1.1-3, rhn_solaris_bootstrap_5_1_1_3 1-0
    fixed: vendor fix RHSA-2008:0629
  • Red Hat Satellite v 4.2 (RHEL v.3 AS) rhn-solaris-bootstrap 5.0.2-3, rhn_solaris_bootstrap_5_0_2_3 1-0 Red Hat Satellite v 4.2 (RHEL v.4 AS) rhn-solaris-bootstrap 5.0.2-3, rhn_solaris_bootstrap_5_0_2_3 1-0
    fixed: vendor fix RHSA-2008:0525

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

5.61% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

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.