No. Junglewise Threat Intelligence has no report of CVE-1999-1490 being exploited in the wild.
How severe is CVE-1999-1490?
High severity, with a CVSS score of 7.2, published 28 May 1998.
Which products and versions are affected?
Redhat Linux. The advisory does not name versions.
Is there a fix for CVE-1999-1490?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-1999-1490?
Check whether you run Redhat Linux. 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.