cve
Safeguard articles tagged "cve" — guides, analysis, and best practices for software supply chain and application security.
184 articles
NVD's enrichment backlog and how to build a multi-source vuln database strategy
NIST enriched 42,000 CVEs in 2025 — 45% more than any prior year — and still fell behind. On April 15, 2026, it stopped trying to enrich everything.
CWE vs. CVE vs. CVSS: The Vocabulary Every AppSec Team Gets Wrong
One CWE weakness class can spawn thousands of CVEs, and a single CVE can now carry two different CVSS scores at once — most teams still use the terms interchangeably.
regreSSHion (CVE-2024-6387) Explained: A Signal-Handler Race That Reopened an Old OpenSSH RCE
CVE-2024-6387, regreSSHion, is an unauthenticated remote code execution flaw in OpenSSH's sshd caused by a signal-handler race — a regression of a bug fixed back in 2006.
Text4Shell (CVE-2022-42889) Explained: RCE in Apache Commons Text Interpolation
CVE-2022-42889, Text4Shell, let attackers run code through Apache Commons Text's string interpolation when apps passed untrusted input to StringSubstitutor. Here is the flaw and why it was narrower than feared.
Why NVD alone is not enough: the case for multi-source vulnerability intelligence
NIST now fully enriches a fraction of CVEs — on April 15, 2026 it moved to a triage model that leaves most of 2025's 48,185 published CVEs without a timely severity score.
Citrix Bleed (CVE-2023-4966) Explained: Leaking Session Tokens Straight Past MFA
CVE-2023-4966, Citrix Bleed, let unauthenticated attackers read memory from NetScaler appliances and steal valid session tokens — hijacking sessions and bypassing multi-factor authentication.
Dirty Pipe (CVE-2022-0847) Explained: Overwriting Read-Only Files in the Linux Kernel
CVE-2022-0847, Dirty Pipe, let unprivileged users overwrite data in read-only files through an uninitialized pipe flag — a clean path to root. Here is the page-cache mechanism behind it.
What Is a Security Advisory
A security advisory is an official notice that a product has a security flaw, plus how to fix it. Here is what advisories contain, who issues them, and how to act on one.
MOVEit Transfer (CVE-2023-34362) Explained: The SQL Injection Behind the Cl0p Mass Breach
CVE-2023-34362 is a SQL injection in Progress MOVEit Transfer that let unauthenticated attackers reach the database and drop a web shell. Cl0p used it to breach thousands of organizations.
Shellshock (CVE-2014-6271) Explained: RCE Hiding in Bash Environment Variables
CVE-2014-6271, Shellshock, let attackers run commands by smuggling code into environment variables that Bash parsed as function definitions. Reachable over HTTP, DHCP, and SSH. Here is how.
What Is a CVSS Score
A CVSS score rates how severe a security flaw is on a scale of 0 to 10. Here is what the number means, how to read it, and why it is only part of the risk picture.
Open Source Vulnerability Databases Compared: NVD, OSV, GitHub Advisory, and More
Not all vulnerability databases are created equal. A detailed comparison of coverage, timeliness, accuracy, and practical usability across the major databases.
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