Skip to content
Fencer Vulns
high 7.2

CVE-1999-1191 json

Buffer overflow in chkey in Solaris 2.5.1 and earlier allows local users to gain root privileges via a long command line argument.

published 1997-05-19 29 y ago modified 2026-06-16 4 mo ago also EUVD-1999-1172

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
2
Exploit-DB

Summary

Buffer overflow in chkey in Solaris 2.5.1 and earlier allows local users to gain root privileges via a long command line argument.

Patch / fix

Timeline

  1. First public exploit (EDB-19160)
  2. Published

Exploit prediction

1.94% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-19160 Solaris 2.5.1 - 'chkey' Local Privilege Escalation local, 1997-05-19
  • EDB-332 Solaris 2.5.0/2.5.1 ps / chkey - Data Buffer local, 1997-05-19
  • securityfocus.com http://www.securityfocus.com/bid/207 referenced PoC, tagged "exploit" by a source, unverified

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.