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Fencer Vulns
medium 5.6

CVE-2005-0109 json

Hyper-Threading technology, as used in FreeBSD and other operating systems that are run on Intel Pentium and other processors, allows local…

published 2005-03-05 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-0110

cvss
5.6
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

Hyper-Threading technology, as used in FreeBSD and other operating systems that are run on Intel Pentium and other processors, allows local users to use a malicious thread to create covert channels, monitor the execution of other threads, and obtain sensitive information such as cryptographic keys, via a timing attack on memory cache misses.

Patch / fix

  • openssl RHEL 3 0.9.7a-33.17
  • openssl RHEL 4 0.9.7a-43.4
  • openssl096b RHEL 3 0.9.6b-16.22.4
  • openssl096b RHEL 4 0.9.6b-22.4
  • openssl-perl RHEL 3 0.9.7a-33.17
  • openssl-perl RHEL 4 0.9.7a-43.4
  • openssl RHEL 3 0.9.7a-33.15
  • openssl RHEL 4 0.9.7a-43.2

red hat advisories RHSA-2005:800RHSA-2005:476

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-2005-0109 updated

security flaw

  • Red Hat Desktop version 3 openssl 0.9.7a-33.15, openssl 0.9.7a-33.17, openssl-perl 0.9.7a-33.15, openssl-perl 0.9.7a-33.17, openssl096b 0.9.6b-16.22.3, openssl096b 0.9.6b-16.22.4 Red Hat Enterprise Linux AS version 3 openssl 0.9.7a-33.15, openssl 0.9.7a-33.17, openssl-perl 0.9.7a-33.15, openssl-perl 0.9.7a-33.17, openssl096b 0.9.6b-16.22.3, openssl096b 0.9.6b-16.22.4 Red Hat Enterprise Linux AS version 4 openssl 0.9.7a-43.2, openssl 0.9.7a-43.4, openssl096b 0.9.6b-22.3, openssl096b 0.9.6b-22.4, openssl-perl 0.9.7a-43.2, openssl-perl 0.9.7a-43.4 Red Hat Enterprise Linux Desktop version 4 openssl 0.9.7a-43.2, openssl 0.9.7a-43.4, openssl096b 0.9.6b-22.3, openssl096b 0.9.6b-22.4, openssl-perl 0.9.7a-43.2, openssl-perl 0.9.7a-43.4 Red Hat Enterprise Linux ES version 3 openssl 0.9.7a-33.15, openssl 0.9.7a-33.17, openssl-perl 0.9.7a-33.15, openssl-perl 0.9.7a-33.17, openssl096b 0.9.6b-16.22.3, openssl096b 0.9.6b-16.22.4 Red Hat Enterprise Linux ES version 4 openssl 0.9.7a-43.2, openssl 0.9.7a-43.4, openssl096b 0.9.6b-22.3, openssl096b 0.9.6b-22.4, openssl-perl 0.9.7a-43.2, openssl-perl 0.9.7a-43.4
    +2 more products
    Red Hat Enterprise Linux WS version 3 openssl 0.9.7a-33.15, openssl 0.9.7a-33.17, openssl-perl 0.9.7a-33.15, openssl-perl 0.9.7a-33.17, openssl096b 0.9.6b-16.22.3, openssl096b 0.9.6b-16.22.4 Red Hat Enterprise Linux WS version 4 openssl 0.9.7a-43.2, openssl 0.9.7a-43.4, openssl096b 0.9.6b-22.3, openssl096b 0.9.6b-22.4, openssl-perl 0.9.7a-43.2, openssl-perl 0.9.7a-43.4
    fixed: vendor fix RHSA-2005:476
  • Red Hat Stronghold 4
    fixed: vendor fix RHSA-2005:882

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

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 5.6 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
NVD 2.0 4.7 AV:L/AC:M/Au:N/C:C/I:N/A:N

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.