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CERT Polska disclosed four vulnerabilities in GNU gawk, tracked as CVE-2026-40467, CVE-2026-40468, CVE-2026-40469, and CVE-2026-40553. The issues were highlighted in a CERT Polska advisory and later amplified by security reporting, identifying the widely used pattern-scanning and text-processing utility as affected software.
Public reporting provides only limited detail so far, with no technical breakdown, exploitation evidence, or impact assessment included in the referenced notices. Organizations using GNU gawk should review the CERT Polska advisory, identify affected deployments, and prioritize vendor guidance or updates as more remediation details become available.
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CERT Polska published a notice about four vulnerabilities in GNU gawk: CVE-2026-40467, CVE-2026-40468, CVE-2026-40469, and CVE-2026-40553. The referenced materials do not provide additional technical details, impact, or exploitation information.
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CERT Polska disclosed two vulnerabilities in **GNU coreutils**, tracked as `CVE-2026-56391` and `CVE-2026-56392`. The notice identifies the flaws as affecting the widely used GNU core utilities package, a foundational component on many Linux and Unix-like systems, and indicates the issues were reported to CERT Polska for publication. Public reporting on the vulnerabilities remains limited, with the available references providing only the identifiers and confirming that two separate flaws were documented. No technical root cause, affected version range, exploitation details, or mitigation guidance were included in the cited notices, leaving organizations that rely on GNU coreutils to monitor vendor and CERT updates for patch and exposure information.
Jul 24, 2026
CERT Polska disclosed two vulnerabilities in **GNU Bison**, tracked as `CVE-2026-56389` and `CVE-2026-56390`. A follow-on report amplified the notice and confirmed that the issues affect the parser generator software, but did not provide technical specifics, impact details, or evidence of active exploitation. The available reporting indicates the disclosure is currently limited to an advisory-level notice, with public information focused on the identifiers and affected product rather than exploit mechanics or mitigation guidance. Organizations using **GNU Bison** should review the CERT Polska advisory, identify any dependent build or development environments, and monitor for vendor updates or additional technical details tied to `CVE-2026-56389` and `CVE-2026-56390`.
Jul 29, 2026
CERT Polska disclosed three vulnerabilities in **GNU cpio** affecting versions through **2.15**, tracked as `CVE-2026-66484`, `CVE-2026-66485`, and `CVE-2026-66486`. The issues were reported by researchers from the **AFINE Team** and include a **path traversal** flaw during tar extraction, an **uncontrolled memory allocation** bug that can trigger **stack overflow** and **denial of service**, and an **improper output escaping** weakness. The output-handling flaw can allow **forged archive listings** or **terminal escape-sequence injection**, creating opportunities to mislead users or manipulate terminal output. CERT Polska said the vulnerabilities have been addressed in specific upstream commits, while a separate security notice amplified the disclosure and directed users to the CERT advisory for details on the affected GNU cpio software.
Aug 10, 2026