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
Published May 11, 2007
5.0
MEDIUMCVSS 2.0
EPSS 2.31%
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.
Affected products
No data.
Running on/with
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- 4.0
- ≤ 1.3.3
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.31% (0.02312) | 82.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.31% (0.02312) | 81.09th | v5 (v2026.06.15) |
| Jun 4, 2026 | 4.69% (0.04694) | 89.54th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.13% (0.03130) | 85.98th | v4 (v2025.03.14) |
| Dec 17, 2024 | 10.13% (0.10129) | 94.91th | v3 (v2023.03.01) |
| Jul 6, 2024 | 16.99% (0.16988) | 96.12th | v3 (v2023.03.01) |
| Apr 21, 2024 | 14.14% (0.14140) | 95.62th | v3 (v2023.03.01) |
| Mar 14, 2024 | 14.98% (0.14977) | 95.66th | v3 (v2023.03.01) |
| Feb 4, 2024 | 16.35% (0.16346) | 95.52th | v3 (v2023.03.01) |
| Dec 28, 2023 | 17.10% (0.17101) | 95.59th | v3 (v2023.03.01) |
| Oct 12, 2023 | 16.61% (0.16609) | 95.41th | v3 (v2023.03.01) |
| May 16, 2023 | 12.49% (0.12493) | 94.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 11.68% (0.11676) | 94.34th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
No CWE recorded.
References (14)
- http://secunia.com/advisories/25220 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25255 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/26987 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200705-18.xml vendor-advisoryx_refsource_GENTOO
- http://sourceforge.net/project/shownotes.php?release_id=501476&group_id=44827 x_refsource_CONFIRM
- http://www.debian.org/security/2007/dsa-1288 vendor-advisoryx_refsource_DEBIANPatchVendor Advisory
- http://www.novell.com/linux/security/advisories/2007_10_sr.html vendor-advisoryx_refsource_SUSE
- http://www.novell.com/linux/security/advisories/2007_19_sr.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/23886 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1018064 vdb-entryx_refsource_SECTRACK
- http://www.trustix.org/errata/2007/0017/ vendor-advisoryx_refsource_TRUSTIX
- http://www.ubuntu.com/usn/usn-459-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/usn-459-2 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2007/1743 vdb-entryx_refsource_VUPEN
Change history (0)
No recorded changes yet.