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Fencer Vulns
critical 10.0

CVE-2000-0844 in the critical feed json

Some functions that implement the locale subsystem on Unix do not properly cleanse user-injected format strings, which allows local attacke…

published 2000-11-14 25 y ago modified 2026-06-16 4 mo ago also EUVD-2000-0831

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
15.6%
EPSS 15.6% chance of exploitation in 30 days, percentile 96%
public exploits
11
Exploit-DB

Summary

Some functions that implement the locale subsystem on Unix do not properly cleanse user-injected format strings, which allows local attackers to execute arbitrary commands via functions such as gettext and catopen.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2000-0844 updated

security flaw

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-20190)
  2. Published

Exploit prediction

15.63% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-20190 Libc locale - Local Privilege Escalation (2) local, 2000-09-04
  • EDB-20189 Libc locale - Local Privilege Escalation (1) local, 2000-09-04
  • EDB-20188 Solaris 2.6/7.0 'eject' locale - Subsystem Format String local, 2000-09-08
  • EDB-20187 Immunix OS 6.2 - LC glibc format string local, 2000-09-04
  • EDB-20186 Solaris 2.6/7.0 /locale - Subsystem Format String local, 2000-11-02
  • EDB-20185 RedHat 6 GLIBC/locale - Subsystem Format String local, 2000-09-06
  • EDB-249 GLIBC locale - Format Strings local, 2003-01-15
  • EDB-215 GLIBC locale - bug mount local, 2000-12-02
  • EDB-210 Solaris 2.6/7.0 - 'locale' Format Strings noexec stack Overflow local, 2000-11-30
  • EDB-209 GLIBC - '/bin/su' Local Privilege Escalation local, 2000-11-30
  • EDB-197 Solaris/SPARC 2.7 / 7 locale - Format String local, 2000-11-20
  • archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2000-08/0457.html referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/1634 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

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.