https://seclists.org/oss-sec/2026/q3/302: Xen Security Advisory 497 v2 (CVE-2026-42494,CVE-2026-42495,CVE-2026-62423,CVE-2026-62424,CVE-2026-62425) - buffer overruns in libfsimage iso9660 handling

Published Jul 28, 2026
·
Updated

Affected Software

1 affected component
Xen Project Xen>=undefined
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Frequently Asked Questions

1

What is the severity of CVE-2026-42494?

CVE-2026-42494 has a high severity rating due to potential buffer overruns leading to security vulnerabilities.

2

How do I fix CVE-2026-42494?

To fix CVE-2026-42494, users should apply the latest patches provided by the Xen Project.

3

What systems are affected by CVE-2026-42494?

CVE-2026-42494 affects systems running Xen Project versions that utilize libfsimage for iso9660 handling.

4

What are the potential impacts of CVE-2026-42494?

The potential impacts of CVE-2026-42494 include unauthorized access and system compromise due to buffer overruns.

5

Is there a workaround for CVE-2026-42494?

Currently, the recommended solution for CVE-2026-42494 is to apply the official patches, as no effective workarounds are documented.

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