CVE-2012-4444

CVE-2012-4444 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The ip6_frag_queue function in net/ipv6/reassembly.c in the Linux kernel before 2.6.36 allows remote attackers to bypass intended network restrictions via overlapping IPv6 fragments.

Frequently asked questions

What is CVE-2012-4444?
The ip6_frag_queue function in net/ipv6/reassembly.c in the Linux kernel before 2.6.36 allows remote attackers to bypass intended network restrictions via overlapping IPv6 fragments.
How severe is CVE-2012-4444?
CVE-2012-4444 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-4444 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4444?
CVE-2012-4444 primarily affects Linux Linux Kernel. In total, 194 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4444?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4444 published?
CVE-2012-4444 was published on 2012-12-21 and last updated on 2026-06-16.

References

Affected products (194)

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