Security Guides
What does 'fixed in' mean in an SCA report?
The 'fixed in' value is the first package version that contains the patch. Here is how to read it, check your constraints and handle missing fix versions.
Oct 19, 20263 min read
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What does 'fix available' mean, and when can you tell customers?
'Fix available' can mean an upstream release, a tested internal build, or a deployed change. How to tell them apart before telling a customer anything.
Oct 19, 20264 min read
Security Guides
What does exploitability mean in CVSS, VEX and KEV?
Exploitability means three different things in CVSS, VEX and the CISA KEV catalog. Here is how to tell an auditor which one your report is using.
Oct 19, 20264 min read
Security Guides
What does an EPSS score mean for a non-security manager?
EPSS estimates the chance a vulnerability is exploited in the next 30 days. What the number means, what it leaves out, and how a manager should use it.
Oct 19, 20264 min read
Security Guides
What does Docker host networking expose to a container?
Host networking drops network isolation, so the container shares the host's interfaces and can reach local services. Compare host, none and default modes.
Oct 19, 20263 min read
Security Guides
What does +deb12u1 mean in a package version in a scan?
A +deb12u1 suffix marks a Debian stable security or bug fix update on the same upstream version. Here is how to read it in a container scan.
Oct 19, 20263 min read
Security Guides
What does 'actively exploited' mean in a security notice?
Actively exploited means attackers are using a flaw against real targets, not just that it exists. CISA's KEV list tracks these. Here is what to do.
Oct 19, 20264 min read
Security Guides
What does a WebAssembly plugin sandbox not protect you from?
WebAssembly isolates plugin code from the host but cannot stop misuse of capabilities you grant. See what the sandbox covers and what it leaves to you.
Oct 19, 20264 min read
Security Guides
What does a vendor learn when your page loads its script?
Loading a vendor script sends the visitor's browser straight to the vendor. See what it receives, why cross-site cookies matter and how to limit it.
Oct 19, 20264 min read
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