CVE-2026-33999

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

April 15, 2026

Last Seen

August 13, 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 DoS Vulnerabilities in openSUSE xorg-x11-server Addressed75.0

On April 15, 2026, SUSE released important updates for the xorg-x11-server to address multiple denial-of-service (DoS) vulnerabilities. The vulnerabilities include CVE-2026-33999, CVE-2026-34000, CVE-2026-34001, CVE-2026-34002, and CVE-2026-34003, which involve issues such as integer underflow, out-...

Critical Vulnerabilities in X.Org X Server Lead to Potential DoS and Privilege Escalation74.0

Debian has issued urgent advisories for vulnerabilities in the X.Org X server affecting versions 20.11 to 21.1.16. The vulnerabilities include CVE-2022-49737, a race condition, and CVE-2026-33999, an integer underflow, both allowing for potential denial of service (DoS) or privilege escalation. Addi...

Critical Vulnerabilities in Tigervnc Affect Oracle and Rocky Linux Users74.0

Recent updates for Tigervnc have addressed multiple critical vulnerabilities affecting Oracle Linux 9 and Rocky Linux 8. The vulnerabilities include CVE-2026-33999, CVE-2026-34000, CVE-2026-34001, CVE-2026-34002, and CVE-2026-34003, which were published between April and May 2026. These vulnerabilit...

Fedora Restic and Singularity-CE Vulnerabilities Lead to Denial of Service Risks60.6

Recent updates for Fedora 43 and 44 address multiple vulnerabilities in Restic and Singularity-CE, including Denial of Service (DoS) issues and unauthorized access risks. The vulnerabilities, identified as CVE-2026-34986, CVE-2026-41179, and CVE-2026-41176, affect Fedora systems and allow attackers...