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CVE-1999-0040

• Severity: high (CVSS 7.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 1997-05-01 · updated 2026-06-16

Description

Buffer overflow in Xt library of X Windowing System allows local users to execute commands with root privileges.

Affected products

• Bsdi Bsd Os: 2.0, 2.0.1, 2.1
• FreeBSD: 1.1.5.1, 2.0
• Hewlett Packard Enterprise (HPE) HP-UX: 9.00, 9.01, 9.10, 10.00, 10.01, 10.08 (+7)
• IBM AIX: 3.2, 4.1, 4.2
• NEC Asl Ux 4800: 64
• NEC Ews-Ux V: 4.2, 4.2mp
• NEC Up-Ux V: 4.2mp
• Sgi Irix: 4.0, 5.0, 5.3, 6.0, 6.1, 6.2 (+2)
• Sun Solaris: 2.4, 2.5, 2.5.1
• Sunos: 4.1.3, 4.1.3u1, 4.1.4, 5.3, 5.4, 5.5 (+1)

References

• https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0040
• https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0040

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