DEBIAN-CVE-2013-4238

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2013-4238
Downstream
DLA-25-1DSA-2880-1
Published: 18 Aug 2013, 02:52
Last modified:28 Apr 2026, 20:12

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

18 Aug 2013, 02:52
Published
Vulnerability first disclosed
28 Apr 2026, 20:12
Last Modified
Vulnerability information updated

Description

The ssl.match_hostname function in the SSL module in Python 2.6 through 3.4 does not properly handle a '\0' character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Affected Systems

  • debian•python2.7

    < 2.7.5-8

References (1)