Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2003-0544

17
FAUCET Score

CVE-2003-0544 describes a denial-of-service vulnerability in OpenSSL versions 0.9.6 and 0.9.7, where improper handling of ASN.1 input in SSL client certificates can lead to a crash by causing a buffer over-read. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and can be exploited remotely with low attack complexity, resulting in a denial of service. While its EPSS score is higher than 0.96% of all CVEs, suggesting some exploitability potential, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
0.9.6CPE matchmatch criteria
cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:*:*
0.9.7CPE matchmatch criteria
cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.17%
Probability of exploitation in next 30 days
EPSS Percentile
92.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0617 is in the 90th percentile among its peer group of 23,705 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (10)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux AS (Advanced Server) version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux ES version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux WS version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 8.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux Advanced Workstation 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Stronghold 4
View patch

Vendor Advisories (1)

redhatCVE-2003-0544Moderate

CAN-2003-0543/0544 OpenSSL ASN.1 protocol crashes

Sep 30, 2003

References

bugzilla.redhat.com / bugzilla/show_bug.cgi
secunia.com / advisories/22249
exchange.xforce.ibmcloud.com / vulnerabilities/43041
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4574
sunsolve.sun.com / search/document.do
www-1.ibm.com / support/docview.wss
cert.org / advisories/CA-2003-26.html
US Government Resource
debian.org / security/2003/dsa-393
debian.org / security/2003/dsa-394
kb.cert.org / vuls/id/380864
US Government Resource
linuxsecurity.com / advisories/engarde_advisory-3693.html
redhat.com / support/errata/RHSA-2003-291.html
PatchVendor Advisory
redhat.com / support/errata/RHSA-2003-292.html
PatchVendor Advisory
securityfocus.com / bid/8732
uniras.gov.uk / vuls/2003/006489/openssl.htm
vupen.com / english/advisories/2006/3900