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-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.
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.
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.
CVE-2022-1388 is an authentication bypass in the F5 BIG-IP iControl REST interface that leads to unauthenticated remote code execution, rated CVSS 9.8. Here is the timeline, root cause, and patched versions.
CVE-2024-23897 turned a convenience feature in Jenkins' CLI argument parser into an arbitrary file read that can escalate to full RCE. Here's the mechanism and the fix.
CVE-2021-21985 is a CVSS 9.8 unauthenticated RCE in VMware vCenter Server's vSAN Health plugin, enabled by default on every install. Here is how it works and the patched builds to run.
A technical breakdown of CVE-2024-21626, the runc process.cwd() flaw enabling container breakout to host access, with detection and remediation guidance.
Log4Shell (CVE-2021-44228) let attackers achieve remote code execution via a single logged string. A deep dive into the JNDI flaw, its impact, and remediation.
A technical breakdown of Spring4Shell (CVE-2022-22965): the data-binding RCE, affected Spring/Tomcat configurations, severity, timeline, and how to remediate and detect exposure.
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