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Fencer Vulns
medium 5.0

CVE-2004-0081 json

OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to cause a denial of service (inf…

published 2004-03-18 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-0081

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.2%
EPSS 7.2% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to cause a denial of service (infinite loop), as demonstrated using the Codenomicon TLS Test Tool.

Patch / fix

  • openssl Debian 14, Debian 13, Debian 12 0.9.6d-1

debian advisories DEBIAN-CVE-2004-0081

  • openssl RHEL 3 0.9.7a-33.4
  • openssl096b RHEL 3 0.9.6b-16
  • openssl-perl RHEL 3 0.9.7a-33.4

red hat advisories RHSA-2004:120

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-2004-0081 updated

security flaw

  • Red Hat Desktop version 3 openssl 0.9.7a-33.4, openssl096b 0.9.6b-16, openssl-perl 0.9.7a-33.4 Red Hat Enterprise Linux AS version 3 openssl 0.9.7a-33.4, openssl096b 0.9.6b-16, openssl-perl 0.9.7a-33.4
    fixed: vendor fix RHSA-2004:120
  • Red Hat Enterprise Linux ES version 2.1
    fixed: vendor fix RHSA-2004:119
  • Red Hat Enterprise Linux ES version 3 openssl 0.9.7a-33.4, openssl096b 0.9.6b-16, openssl-perl 0.9.7a-33.4
    fixed: vendor fix RHSA-2004:120
  • Red Hat Enterprise Linux WS version 2.1
    fixed: vendor fix RHSA-2004:119
  • Red Hat Enterprise Linux WS version 3 openssl 0.9.7a-33.4, openssl096b 0.9.6b-16, openssl-perl 0.9.7a-33.4
    fixed: vendor fix RHSA-2004:120
  • Red Hat Linux 9
    fixed: vendor fix RHSA-2004:121
  • Red Hat Linux Advanced Workstation 2.1
    fixed: vendor fix RHSA-2004:119
  • Red Hat Stronghold 4
    fixed: vendor fix RHSA-2004:139

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

7.23% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Technology feeds

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.