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Application Security

URL parser confusion: how inconsistent parsing enables SSRF and auth bypass

Sixteen URL-parsing libraries tested, five inconsistency classes found, eight CVEs assigned — one wrong backslash can turn a validated URL into an SSRF.

Jul 16, 20266 min read
Application Security

Out-of-Bounds Write Vulnerabilities (CWE-787) Explained

CWE-787 out-of-bounds write bugs let attackers corrupt memory past a buffer's limit, causing crashes or code execution. Here's how they work.

Jul 16, 20268 min read
Application Security

Improper Restriction of Operations Within Memory Bounds

CWE-119 has topped MITRE's vulnerability rankings for years, from Heartbleed to WannaCry to the 2023 libwebp zero-day. Here's why it persists and how to catch it early.

Jul 15, 20267 min read
Application Security

Integer Overflow and Wraparound Vulnerabilities

A single wrapped integer minted 184B bitcoin, grounded 787s, and erased $900M from a crypto token. Here's how overflow bugs work—and how Safeguard catches them first.

Jul 15, 20268 min read
Application Security

Double-Free Vulnerabilities in C and C++

Double-free bugs let attackers corrupt heap memory and hijack control flow. Here's how they happen in C/C++, real CVEs, and how to catch them early.

Jul 15, 20268 min read
Application Security

Code injection risks in CLI tools and IDE plugins

A malicious npm dependency hid in event-stream for 8M downloads before detection. Developer tooling is a code-injection blast radius most teams never audit.

Jul 15, 20266 min read
Application Security

Exposed .git Directories and the Git Internals That Leak Your Source

Roughly 4.96 million IPs expose .git metadata today, and over 252,000 leak live credentials in .git/config — a 2018-era bug that never went away.

Jul 15, 20266 min read
Application Security

Implementing HSTS correctly in Node.js and Express

HSTS has one header and three flags, yet a misconfigured includeSubDomains or a premature preload submission can take a domain offline for months.

Jul 15, 20266 min read
Application Security

Implementing TLS in Java applications: keystores, trust managers, and protocol pinning done right

One overridden checkServerTrusted() method disables certificate validation for an entire Java app — and it still ships to production more often than most teams admit.

Jul 15, 20267 min read
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