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CVE-2016-6560

27
FAUCET Score

CVE-2016-6560 describes a critical vulnerability in illumos osnet-incorporation's bcopy() and bzero() implementations, where incorrect signed comparisons instead of unsigned ones can lead to a system crash. This vulnerability carries a CVSS v3 score of 8.6 (HIGH), indicating it is remotely exploitable with low attack complexity, requiring no user interaction, and resulting in a complete denial of service. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:illumos:illumos:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.6HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.68%
Probability of exploitation in next 30 days
EPSS Percentile
74.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0168 is in the 57th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / illumos/illumos-gate/commit/5aaab1a49679c26dbcb6fb6dc25799950d70cc71
PatchThird Party Advisory
illumos.org / issues/7488
PatchVendor Advisory
openindiana.org / 2016/11/01/cve-2016-6560-cve-2016-6561-security-issues-in-illumos
Third Party Advisory