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CVE-2026-62425

MEDIUM
5.5
CVSS 3.1
Description
[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.

Metadata

CVE ID
CVE-2026-62425
State
PUBLISHED
Assigner
XEN
Reserved
2026-07-14 10:28 UTC
Published
2026-07-28 12:31 UTC
Last updated
2026-07-28 15:40 UTC
Primary CWE
CWE-20
CWE-20 Improper Input Validation
Vendor / Product
Xen / Xen
Sources
cve.org  ·  NVD

Severity & Metrics

5.5 MEDIUM CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
Xen Xen consult Xen advisory XSA-497
Weakness (CWE)
CWESourceDescription
CWE-20 adp CWE-20 Improper Input Validation
CVSS scores (1)
ScoreSeverityVersionSourceVector
5.5 MEDIUM 3.1 adp CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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