CVE-2026-63381

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

September 1, 2026

Last Seen

September 11, 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

Critical Security Flaws in Fedora libevent 2.1.13 Require Immediate Attention57.9

Fedora has released critical security updates for libevent version 2.1.13, addressing multiple vulnerabilities including CVE-2026-63379, CVE-2026-63381, CVE-2026-63382, CVE-2026-63383, CVE-2026-63384, CVE-2026-63385, CVE-2026-63387, and CVE-2026-63388. These vulnerabilities, published on August 20,...

Multiple Vulnerabilities Discovered in libevent Affecting Ubuntu Systems45.9

On September 1, 2026, Ubuntu published a security notice detailing multiple vulnerabilities in the libevent library, affecting Ubuntu 18.04 LTS, 20.04 LTS, 22.04 LTS, 24.04 LTS, and 26.04 LTS. Key issues include a use-after-free vulnerability (CVE-2026-63381) that could lead to denial of service or...