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Servers and applications

CVE-2011-1938

Stack-based buffer overflow in the socket_connect function in ext/sockets/sockets.c in PHP 5.3.3 through 5.3.6 might allow context-dependent attackers to execute arbitrary code via a long pathname for a UNIX socket.

Severity
High 7.5
Published
31 May 2011
Last changed
16 Jun 2026
Added to UpHeron
14 Oct 2026
Exploit chance
23% in the next 30 daysHigher than 97% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Memory buffer errors (CWE-119)
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
PHPServers and applications · cpe:a:php:php
  • Version 5.3.3
  • Version 5.3.4
  • Version 5.3.5
  • Version 5.3.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-1938
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-1938