CVE-2006-0036 Null dereference in n/a

What is CVE-2006-0036?

CVE-2006-0036 is a high-severity vulnerability in Linux kernel, published on 23 Jan 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Which versions are affected by CVE-2006-0036?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2006-0036?

No fix has been published for CVE-2006-0036 yet. Limit exposure of the affected software until one is available.

Is CVE-2006-0036 being exploited?

There is no known exploitation of CVE-2006-0036 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8f24-59jc-5rvh.