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dCERT published Advisory 2026-1162 for OpenBSD, warning that a vulnerability could allow a denial-of-service condition. Public details in the notice were limited, but the issue indicates that affected OpenBSD systems may be susceptible to service disruption if the flaw is triggered.
dCERT also issued Advisory 2026-1202 covering the FreeBSD Project FreeBSD OS, reporting multiple vulnerabilities in the operating system. While the advisory summary did not include technical specifics, the paired disclosures highlight newly published security issues affecting two major BSD platforms and signal that administrators should review vendor guidance, assess exposure, and prioritize relevant patches or mitigations.
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2 events from the most recent confirmed update back to the earliest known activity.
dCERT issued Advisory 2026-1202 covering multiple vulnerabilities affecting the FreeBSD Project's FreeBSD OS. The reference does not include further details on the flaws or fixes.
dCERT issued Advisory 2026-1162 for an OpenBSD vulnerability that could allow denial of service. No additional technical details are provided in the reference.
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FreeBSD published security advisory **`FreeBSD-SA-26:14.pf`** covering the operating system’s **`pf`** packet filter subsystem. The advisory was released through the official FreeBSD security channel and was subsequently mirrored by third-party BSD security tracking sites, indicating a newly disclosed security issue affecting systems that rely on `pf` for firewalling and network traffic filtering. Publicly available reference material provides only limited summary detail, but the advisory identifies `pf` as the affected component and signals that administrators should review the official FreeBSD notice for impacted versions, patch availability, and remediation guidance. Organizations using FreeBSD firewalls, gateways, or hosts with `pf` enabled should prioritize validation of exposure and apply vendor-provided fixes or mitigations as appropriate.
Jun 29, 2026
dCERT issued two advisories for **Linux Kernel** vulnerabilities that can lead to **denial of service**, identifying the issues as advisory `2026-1017` and advisory `2026-1046`. Both notices describe flaws in the kernel that could allow attackers to disrupt system availability, underscoring continued risk to Linux-based servers, appliances, and endpoints that rely on the affected kernel components. While the advisories do not include public synopses, the paired notices indicate separate Linux Kernel denial-of-service issues requiring review by defenders and system owners. Organizations running Linux should track the affected kernel versions referenced by dCERT, prioritize vendor patches or mitigations as they become available, and assess exposure across internet-facing and critical internal systems where service interruption would have operational impact.
Jun 29, 2026
dCERT published two advisories, `2025-1332` and `2025-1527`, warning of **multiple vulnerabilities in the Linux kernel**. The notices indicate that separate sets of kernel flaws were significant enough to warrant dedicated advisories, underscoring continued security risk in one of the most widely deployed operating system components across servers, cloud infrastructure, appliances, and embedded systems. While no public synopsis was included in the referenced advisories, the alerts point organizations to review affected kernel versions, assess exposure across Linux-based assets, and apply vendor-provided updates or mitigations. Because kernel vulnerabilities can affect core system security boundaries and stability, unpatched systems may face elevated risk depending on the specific flaws and deployment context.
Jun 29, 2026