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SUSE Xen Vulnerabilities Addressed in Update 2026-3423

SUSE Xen Vulnerabilities Addressed in Update 2026-3423

First seen 30 Jul 2026, 18:51 UTC • •
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ThreatCluster AI
ThreatCluster •July 30, 2026 at 22:28 UTC
  • •SUSE released update 2026-3423 addressing critical vulnerabilities in Xen.
  • •Multiple CVEs, including CVE-2026-42494, involve buffer overruns and privilege escalation risks.
  • •Security professionals should apply patches immediately to affected SUSE systems.

On July 30, 2026, SUSE released an important update (2026-3423) for its Xen hypervisor addressing multiple vulnerabilities. The update resolves issues including buffer overruns and potential race conditions, with CVEs ranging from CVE-2026-42493 to CVE-2026-62434. Affected systems include SUSE Linux Enterprise Server and openSUSE Leap. The vulnerabilities could allow for privilege escalation and system-wide damage if exploited. The CVEs were published on July 28, 2026, indicating that they were known prior to the update release. Security professionals are advised to apply the patches using SUSE's recommended installation methods. The vulnerabilities have varying CVSS scores, with some rated as high as 8.9. Immediate action is recommended to mitigate potential risks.

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Timeline

2026-07-28
Multiple CVEs published
SUSE disclosed several vulnerabilities in Xen, including CVE-2026-42493 and CVE-2026-42494, related to buffer overruns and privilege escalation.
Linuxsecurity
2026-07-28
CVE-2026-62430 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-28
CVE-2026-62424 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-28
CVE-2026-62434 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-28
CVE-2026-42494 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-28
CVE-2026-62423 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-28
CVE-2026-62431 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-28
CVE-2026-42493 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-28
CVE-2026-62429 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-07-28
CVE-2026-62432 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE

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Extracted Entities (22)

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