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Servers and applications

CVE-2011-4078

include/iniset.php in Roundcube Webmail 0.5.4 and earlier, when PHP 5.3.7 or 5.3.8 is used, allows remote attackers to trigger a GET request for an arbitrary URL, and cause a denial of service (resource consumption and inbox outage), via a Subject header containing only a URL, a related issue to CVE-2011-3379.

Severity
Medium 5.0
Published
3 Nov 2011
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.3% in the next 30 daysHigher than 83% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-399
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
RoundcubeServers and applications · cpe:a:roundcube:webmail
  • Version 0.5.3
  • Version 0.5.2
  • Version 0.5.1
  • Version 0.5
All 26 release lines
  • Every version up to 0.5.4
  • Version 0.1-alpha
  • Version 0.1-beta
  • Version 0.1-beta2
  • Version 0.1-rc1
  • Version 0.1-rc2
  • Version 0.1
  • Version 0.1.1
  • Version 0.2-alpha
  • Version 0.2-beta
  • Version 0.2
  • Version 0.2.1
  • Version 0.3-beta
  • Version 0.3-rc1
  • Version 0.3
  • Version 0.3.1
  • Version 0.4-beta
  • Version 0.4
  • Version 0.4.1
  • Version 0.4.2
  • Version 0.5-beta
  • Version 0.5-rc
  • Version 0.5
  • Version 0.5.1
  • Version 0.5.2
  • Version 0.5.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-4078
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-4078