How severe is CVE-2016-6560?

CVE-2016-6560 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-6560 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6560?

CVE-2016-6560 affects Illumos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-6560?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-6560 published?

CVE-2016-6560 was published on 2017-03-31 and last updated on 2026-06-17.

CVE-2016-6560

CVE-2016-6560 is a high-severity vulnerability in Illumos with a CVSS 3.x base score of 8.6. 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-20.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 7.8
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Illumos
Published: 2017-03-31
Last modified: 2026-06-17

Description

illumos osnet-incorporation bcopy() and bzero() implementations make signed instead of unsigned comparisons allowing a system crash.

Frequently asked questions

What is CVE-2016-6560?: illumos osnet-incorporation bcopy() and bzero() implementations make signed instead of unsigned comparisons allowing a system crash.
How severe is CVE-2016-6560?: CVE-2016-6560 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-6560 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6560?: CVE-2016-6560 affects Illumos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-6560?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-6560 published?: CVE-2016-6560 was published on 2017-03-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:illumos:illumos:-:*:*:*:*:*:*:*

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