This page tracks the Alpine Linux fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-62425 →
Categories
ALPINE-CVE-2026-62425

[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The directory and Ro...

Original description

The description as published by the source.

[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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Alpine:v3.21 xen
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.19.6-r0"}]}]
Alpine:v3.22 xen
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.20.4-r0"}]}]
Alpine:v3.23 xen
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.20.4-r0"}]}]
Alpine:v3.24 xen
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.21.2-r0"}]}]

References

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