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Vulnerability record · CVE-2007-0244 · published 11 May 2007

CVE-2007-0244: Poptop pptp server vulnerability

Poptop · Pptp Server

pptpgre.c in PoPToP Point to Point Tunneling Server (pptpd) before 1.3.4 allows remote attackers to cause a denial of service (PPTP connection tear-down) via (1) GRE packets with out-of-order sequence numbers or (2) certain GRE packets that are processed using a wrong pointer and improperly dequeued.

5.0 CVSS 2.0 Medium EPSS 2.3% · top 17.3%
5.0CVSS 2.0 base score
2.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
28References
16 Jun 2026Last modified by NVD

Description

pptpgre.c in PoPToP Point to Point Tunneling Server (pptpd) before 1.3.4 allows remote attackers to cause a denial of service (PPTP connection tear-down) via (1) GRE packets with out-of-order sequence numbers or (2) certain GRE packets that are processed using a wrong pointer and improperly dequeued.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/25220
http://secunia.com/advisories/25255
http://secunia.com/advisories/26987
http://security.gentoo.org/glsa/glsa-200705-18.xml
http://sourceforge.net/project/shownotes.php?release_id=501476&group_id=44827
http://www.debian.org/security/2007/dsa-1288 PatchVendor Advisory
http://www.novell.com/linux/security/advisories/2007_10_sr.html
http://www.novell.com/linux/security/advisories/2007_19_sr.html
http://www.securityfocus.com/bid/23886
http://www.securitytracker.com/id?1018064
http://www.trustix.org/errata/2007/0017/
http://www.ubuntu.com/usn/usn-459-1
http://www.ubuntu.com/usn/usn-459-2
http://www.vupen.com/english/advisories/2007/1743
http://secunia.com/advisories/25220
http://secunia.com/advisories/25255
http://secunia.com/advisories/26987
http://security.gentoo.org/glsa/glsa-200705-18.xml
http://sourceforge.net/project/shownotes.php?release_id=501476&group_id=44827
http://www.debian.org/security/2007/dsa-1288 PatchVendor Advisory
http://www.novell.com/linux/security/advisories/2007_10_sr.html
http://www.novell.com/linux/security/advisories/2007_19_sr.html
http://www.securityfocus.com/bid/23886
http://www.securitytracker.com/id?1018064
http://www.trustix.org/errata/2007/0017/
http://www.ubuntu.com/usn/usn-459-1
http://www.ubuntu.com/usn/usn-459-2
http://www.vupen.com/english/advisories/2007/1743

Track CVE-2007-0244 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2003-0213PoPToP PPTP server buffer overflow via malformed length fieldctrlpacket.c in the PoPToP PPTP server before 1.1.4-b3 mishandles a length field of 0 or 1, feeding a negative value into a read operation that leads…EPSS 71%analysed7.2CVE-2003-1455Poptop pptp server memory buffer overflow vulnerabilityMultiple buffer overflows in the launch_bcrelay function in pptpctrl.c in PoPToP 1.1.4-b1 through PoPToP 1.1.4-b3 allow local users to execute arbitr…EPSS 0.45%

Source: NIST National Vulnerability Database (record CVE-2007-0244), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.