IBM Storage Protect Client is vulnerable to Heap-Based Buffer Overflow

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Summary

CVECVE-2026-13473
StatePUBLISHED
Assigneribm
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-17 20:17:14 UTC
Updated2026-07-17 20:17:14 UTC
DescriptionIBM Storage Protect Client 8.1.0.0 through 8.1.27.0, 8.1.27.1, and 8.2.0.0 through 8.2.1.0 IBM Storage Protect is vulnerable to a heap-based buffer overflow, caused by improper bounds checking. A remote attacker could overflow a buffer and execute arbitrary code on the system or cause the server to crash.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA IBM Storage Protect Client affected 8.1.0.0 8.1.27.0, 8.1.27.1 semver Not specified
CNA IBM Storage Protect Client affected 8.2.0.0 8.2.1.0 semver Not specified

References

ReferenceSourceLinkTags
www.ibm.com/support/pages/node/7279728 [email protected] www.ibm.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: The vulnerability was reported to IBM by Pétur Eyþórsson and Cristie Nordic. (en)

Additional Advisory Data

Solutions

CNA: IBM strongly recommends addressing the vulnerability now. ProductFixing levelPlatformsLink to fix and instructionsIBM Storage Protect Client8.2.1.2Windows https://www.ibm.com/support/pages/node/7267111 Details about the upgrade path to be followed for IBM Storage Protect Backup-Archive Client: Manual Upgrade: Current version Upgrade Path8.1.0.0 - 8.1.27.0, 8.1.27.18.1.0.0 to 8.2.1.0 to 8.2.1.28.2.0.0 - 8.2.1.08.2.0.0 to 8.2.1.2 Upgrade via Client Auto Deploy  8.1.0.0 - 8.1.27.0, 8.1.27.18.1.27.0 to 8.2.0.0 to 8.2.1.2 , 8.1.27.1 to 8.2.0.0 to 8.2.1.28.2.0.08.2.1.2

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