Multiple Critical Vulnerabilities in Fedora 43 Affecting Tigervnc and Rsync

Multiple Critical Vulnerabilities in Fedora 43 Affecting Tigervnc and Rsync

First seen 27 Jun 2026, 03:24 UTC •Linuxsecurity •70% similarity •70.5
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Fedora 43 has released updates addressing critical vulnerabilities in Tigervnc and Rsync, affecting various systems. Tigervnc vulnerabilities include CVE-2026-50256 to CVE-2026-50264, with risks of information exposure and denial of service. Rsync vulnerabilities, including CVE-2026-29518 and CVE-2026-43620, also pose denial of service risks. The vulnerabilities were published between April and June 2026, with significant updates released on June 18 for Tigervnc and June 8 for Rsync. Users are advised to apply the updates using the 'dnf' update program to mitigate risks. The vulnerabilities could allow attackers to exploit systems running these applications, potentially leading to service disruptions and data exposure.

Key Points: • Fedora 43 updates address critical vulnerabilities in Tigervnc and Rsync. • Tigervnc vulnerabilities include CVE-2026-50256 to CVE-2026-50264, with denial of service risks. • Rsync vulnerabilities include CVE-2026-29518 and CVE-2026-43620, also posing denial of service threats.

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Timeline

2026-04-23
CVE-2026-34003 published
CVE-2026-34003 disclosed, related to information exposure in Tigervnc.
Linuxsecurity
2026-04-23
CVE-2026-33999 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-04-23
CVE-2026-34001 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-05-05
CVE-2026-34002 published
CVE-2026-34002 published, indicating a denial of service risk in Tigervnc.
Linuxsecurity
2026-05-20
CVE-2026-43619 published
CVE-2026-43619 published, detailing a denial of service vulnerability in Rsync.
Linuxsecurity
2026-05-20
CVE-2026-45232 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-05-20
CVE-2026-43620 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-05-20
CVE-2026-29518 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-05-20
CVE-2026-43618 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-05-20
CVE-2026-43617 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE

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