CVE-2013-4387 Memory corruption in n/a

What is CVE-2013-4387?

CVE-2013-4387 is a medium-severity memory corruption vulnerability in Linux kernel, published on 10 Oct 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

net/ipv6/ip6_output.c in the Linux kernel through 3.11.4 does not properly determine the need for UDP Fragmentation Offload (UFO) processing of small packets after the UFO queueing of a large packet, which allows remote attackers to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via network traffic that triggers a large response packet.

Weakness: CWE-119

Which versions are affected by CVE-2013-4387?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2013-4387?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2013-4387 being exploited?

There is no known exploitation of CVE-2013-4387 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 DEBIAN-CVE-2013-4387, GHSA-6wfg-v8rh-62wj.