CVE-2012-6128

CVE-2012-6128 is a medium-severity vulnerability in Infradead Openconnect 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. The underlying weakness is classified as CWE-119.

Key facts

Description

Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie list in a response.

Frequently asked questions

What is CVE-2012-6128?
Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie list in a response.
How severe is CVE-2012-6128?
CVE-2012-6128 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-6128 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-6128?
CVE-2012-6128 primarily affects Infradead Openconnect. In total, 39 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-6128?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-6128 published?
CVE-2012-6128 was published on 2013-02-24 and last updated on 2026-06-16.

References

Affected products (39)

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