CVE-2009-1574

CVE-2009-1574 is a medium-severity vulnerability in Ipsec-tools with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

racoon/isakmp_frag.c in ipsec-tools before 0.7.2 allows remote attackers to cause a denial of service (crash) via crafted fragmented packets without a payload, which triggers a NULL pointer dereference.

Frequently asked questions

What is CVE-2009-1574?
racoon/isakmp_frag.c in ipsec-tools before 0.7.2 allows remote attackers to cause a denial of service (crash) via crafted fragmented packets without a payload, which triggers a NULL pointer dereference.
How severe is CVE-2009-1574?
CVE-2009-1574 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-1574 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1574?
CVE-2009-1574 primarily affects Ipsec-tools. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1574?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-1574 published?
CVE-2009-1574 was published on 2009-05-06 and last updated on 2026-06-16.

References

Affected products (26)

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