Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
realloc() can leave a copy of a password or key in memory you can no longer reach. CWE-244 explains heap inspection and how to scrub secrets.
Calling chroot() without a following chdir() leaves the working directory outside the jail, so relative paths can still reach the real filesystem.
Some C and C++ functions cannot be used safely however carefully you call them. CWE-242 covers gets(), banned function lists and how to enforce them.
CWE-241 is code that breaks when an element is not the expected type. Strict allowlist validation is the fix MITRE points to.
When two parts of an input should agree but do not, code that trusts one of them goes wrong. CWE-240 includes the length mismatch behind Heartbleed.
The plain dot-dot-slash is the classic path traversal. A walkthrough of CWE-24, why it still works, how to test for it, and how to fix it in several languages.
A request that never finishes can hold a server hostage. CWE-239 covers incomplete elements and the denial of service they cause.
CWE-238 is input that stops partway through a structure, like a truncated message. Parsers that assume completeness crash or hang.
CWE-237 covers inputs built from complex structures such as nested records or framed messages that the product does not handle correctly.
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