# CVE-2026-17493: IBM Watson Speech Services Cartridge is vulnerable to a D.O.S. in Unpacker.

Status: published. Published: 2026-11-04. Updated: 2026-11-08.

IBM Watson Speech Services Cartridge 4.0.0 through 5.4.0 could allow a remote attacker to cause a denial of service due to an out-of-bounds read.

## Remediation

- fix: Product(s)Version(s)Remediation/Fix/InstructionsIBM Watson Speech Services Cartridge5.4.0 Patch 8 The fix in 5.4.0 Patch 8 applies to all versions listed (4.0.0-5.4.0). The newest version of 5.4.0 with the included Patch 8 can be downloaded and installed from:
 https://www.ibm.com/docs/en/cloud-paks/cp-data/5.4.x (source: CNA: ibm)
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: ibm) — https://www.ibm.com/support/pages/node/7293511

## Affected products and versions

- IBM / Watson Speech Services Cartridge: ≥ 4.0.0; ≤ 5.4.0 (affected, semver). Source: CNA: ibm

## Severity and prioritization

- CVSS 3.1: 7.5 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H; source: CNA: ibm

- CVSS 3.1: 7.5 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H; source: NVD: psirt@us.ibm.com

- CISA KEV: No listing in collected sources

- EPSS: 0.31% as of 2026-11-08; percentile 24.42%

- SSVC: exploitation none; automatable yes; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-125

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.ibm.com/support/pages/node/7293511 (CNA: ibm; vendor-advisory, patch)

- https://www.ibm.com/support/pages/node/7293511 (psirt@us.ibm.com)

## Provenance

- CNA: ibm: https://www.cve.org/CVERecord?id=CVE-2026-17493; retrieved 2026-11-08; source updated 2026-11-08

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-17493; retrieved 2026-11-05; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-17493; retrieved 2026-11-08; source updated Not reported

Revision: 8b8b475490037b2ce3775cf87a9947a157054048f244d63231605344b1e2cda5

Canonical: https://y2.dev/cve/CVE-2026-17493

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