cvedb.io
CVE-2026-42494
MEDIUM · CVSS 6.1
EPSS exploitation probability: 0%
Published 2026-07-28T13:18:32.370 · Last modified 2026-07-28T16:17:48.180

Summary

[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The directory and Rock Ridge / SUSP walk in libfsimage's iso9660 driver derives several lengths directly from attacker-controlled on-disk fields without validating them: * The directory loop itself assumes a good record length. This is CVE-2026-42494. * The calculation of the System Use area may underflow. This is CVE-2026-42495. * The Rock Ridge extension loop assumes a good (inner) record length. This is CVE-2026-62423. * The Rock Ridge NM record processing assumes a good entry length. This is CVE-2026-62424. * The Rock Ridge CE record processing assumes a good size and offset. This is CVE-2026-62425.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.