CVE-2007-5622

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-10-29 · updated 2026-06-16
Weakness: CWE-399

Description

Double free vulnerability in the ftpprchild function in ftppr in 3proxy 0.5 through 0.5.3i allows remote attackers to cause a denial of service (daemon crash) via multiple OPEN commands to the FTP proxy.

Affected products

3proxy: 0.5, 0.5.1, 0.5.2, 0.5.3g, 0.5.3h, 0.5.3i

References

http://3proxy.ru/0.5.3j/Changelog.txt
http://bugs.gentoo.org/show_bug.cgi?id=196772
http://lists.grok.org.uk/pipermail/full-disclosure/2007-October/066985.html
http://osvdb.org/41870
http://secunia.com/advisories/27353
http://secunia.com/advisories/27607
http://security.gentoo.org/glsa/glsa-200711-13.xml
http://www.securityfocus.com/archive/1/482697/100/0/threaded
http://www.securityfocus.com/bid/26180
https://exchange.xforce.ibmcloud.com/vulnerabilities/37401
http://3proxy.ru/0.5.3j/Changelog.txt
http://bugs.gentoo.org/show_bug.cgi?id=196772

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