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.
CVE-2020-14386 lets a local attacker with CAP_NET_RAW corrupt Linux kernel heap memory via AF_PACKET and escalate privileges. Here's the fix and impact.
CVE-2022-22954 in VMware Workspace ONE Access allowed unauthenticated RCE via server-side template injection. Attackers used it to deploy cryptominers and backdoors.
Both scored 9.8 on CVSS. Both affected millions of Java applications. But Log4Shell and Spring4Shell had fundamentally different blast radii. Here's a direct comparison.
CVE-2019-14287 let sudo users bypass "run as any user except root" rules via `sudo -u#-1`, gaining full root. Here's how it worked and how to fix it.
A critical RCE in Spring Framework sent Java teams scrambling. While less catastrophic than Log4Shell, Spring4Shell exposed dangerous assumptions about ClassLoader access in Java web applications.
PwnKit (CVE-2021-4034) is a 12-year-old polkit pkexec flaw giving any local user instant root on most Linux distros. Here's the full breakdown and fix.
CVE-2022-37434: a heap buffer overflow in zlib's gzip header parsing. Affected versions, CVSS/EPSS/KEV context, timeline, and how to remediate it.
CVE-2023-5129 exposed a critical libwebp heap overflow, then got rejected as a duplicate of CVE-2023-4863 — leaving two CVE trails for one flaw.
Dirty Pipe allowed any local user to overwrite data in read-only files, including SUID binaries, leading to trivial root escalation. The bug was elegant, dangerous, and surprisingly recent.
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