Quick answers
- Is CVE-2026-17493 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-17493 being exploited in the wild.
- How severe is CVE-2026-17493?
- High severity, with a CVSS score of 7.5, published 4 November 2026.
- Which products and versions are affected?
- IBM Watson Speech Services Cartridge 4.0.0 through 5.4.0.
- Is there a fix for CVE-2026-17493?
- Yes: fixed in 5.4.0 Patch 8. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-17493 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-17493?
- Check whether you run IBM Watson Speech Services Cartridge at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: 5.4.0 Patch 8
Technical details
An out-of-bounds read vulnerability (CWE-125) in the Unpacker component allows a remote attacker to trigger a segmentation fault when malformed input is repeatedly processed after an error condition. No authentication or user interaction is required; the attack requires only network access to the speech service endpoint.
Affected products
- IBM Watson Speech Services Cartridge 4.0.0 through 5.4.0
Timeline
- 2026-10-22: disclosed