CVE-2026-4438

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

July 27, 2026

Last Seen

July 27, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Multiple Vulnerabilities in GNU C Library Affect Ubuntu Systems57.9

On July 27, 2026, Ubuntu released USN-8611-1 addressing several vulnerabilities in the GNU C Library (glibc). Key issues include improper handling of IBM character sets and DNS responses, potentially leading to denial of service and incorrect hostname information. Specifically, CVE-2026-4046 allows...