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Fencer Vulns
high 7.2

CVE-1999-0030 json

root privileges via buffer overflow in xlock command on SGI IRIX systems.

published 1997-07-16 29 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0030

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
2
Exploit-DB

Summary

root privileges via buffer overflow in xlock command on SGI IRIX systems.

Timeline

  1. First public exploit (EDB-19173)
  2. Published

Exploit prediction

1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-19173 BSD/OS 2.1 / DG/UX 7.0 / Debian 1.3 / HP-UX 10.34 / IBM AIX 4.2 / SGI IRIX 6.4 / Solaris 2.5.1 - '/usr/bin/X11/xlock' Local Privilege Escalation (2) local, 1997-04-26
  • EDB-19172 BSD/OS 2.1 / DG/UX 7.0 / Debian 1.3 / HP-UX 10.34 / IBM AIX 4.2 / SGI IRIX 6.4 / Solaris 2.5.1 - 'xlock' Local Overflow / Local Privilege Escalation (1) local, 1997-04-26

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.