ip_nat_pptp in the PPTP NAT helper (netfilter/ip_nat_helper_pptp.c) in Linux kernel 2.6.14, and other versions, allows remote attackers to cause a denial of service (memory corruption or crash) via an inbound PPTP_IN_CALL_REQUEST packet that causes a null pointer to be used in an offset calculation
Published Jan 23, 2006
7.8
HIGHCVSS 2.0
EPSS 3.28%
Description
ip_nat_pptp in the PPTP NAT helper (netfilter/ip_nat_helper_pptp.c) in Linux kernel 2.6.14, and other versions, allows remote attackers to cause a denial of service (memory corruption or crash) via an inbound PPTP_IN_CALL_REQUEST packet that causes a null pointer to be used in an offset calculation.
Affected products
No data.
- 2.6.14
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:C
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 3, 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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 3.28% (0.03283) | 88.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.21% (0.03207) | 86.47th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.65% (0.01650) | 80.74th | v4 (v2025.03.14) |
| Dec 30, 2024 | 2.31% (0.02305) | 89.38th | v3 (v2023.03.01) |
| Mar 21, 2023 | 4.48% (0.04477) | 91.15th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.61% (0.03613) | 90.22th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
No CWE recorded.
References (7)
- http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=15db34702cfafd24acc60295cf14861e497502ab x_refsource_CONFIRM
- http://secunia.com/advisories/18482 third-party-advisoryx_refsource_SECUNIA
- http://securityreason.com/securityalert/388 third-party-advisoryx_refsource_SREASON
- http://www.securityfocus.com/bid/16414 vdb-entryx_refsource_BID
- http://www.trustix.org/errata/2006/0004 vendor-advisoryx_refsource_TRUSTIX
- http://www.vupen.com/english/advisories/2006/0220 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24203 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=15db34702cfafd24acc60295cf14861e497502ab | x_refsource_CONFIRM | |
| http://secunia.com/advisories/18482 | third-party-advisoryx_refsource_SECUNIA | |
| http://securityreason.com/securityalert/388 | third-party-advisoryx_refsource_SREASON | |
| http://www.securityfocus.com/bid/16414 | vdb-entryx_refsource_BID | |
| http://www.trustix.org/errata/2006/0004 | vendor-advisoryx_refsource_TRUSTIX | |
| http://www.vupen.com/english/advisories/2006/0220 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/24203 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.