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-2003-0991

15
FAUCET Score

CVE-2003-0991 describes an unknown vulnerability in the mail command handler of Mailman versions prior to 2.0.14, affecting products like GNU Mailman and SGI Mailman. This flaw allows unauthenticated remote attackers to trigger a denial of service (crash) by sending malformed email commands. With a CVSS score of 5.0, it is considered a medium severity vulnerability, requiring no authentication and having a low attack complexity, though its impact is limited to availability. There is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:gnu:mailman:1.0:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:gnu:mailman:1.1:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:gnu:mailman:2.0:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:gnu:mailman:2.0:beta3:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:gnu:mailman:2.0:beta4:*:*:*:*:*:*

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
1.94%
Probability of exploitation in next 30 days
EPSS Percentile
78.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0194 is in the 66th 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 (4)

debianpatch availablevia nvd_reference
View patch
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 Linux Advanced Workstation 2.1
View patch

Vendor Advisories (1)

redhatCVE-2003-0991Important

security flaw

Feb 9, 2004

References

patches.sgi.com / support/free/security/advisories/20040201-01-U.asc
distro.conectiva.com.br / atualizacoes
mail.python.org / pipermail/mailman-announce/2004-February/000067.html
PatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/15106
debian.org / security/2004/dsa-436
PatchVendor Advisory
mandrakesoft.com / security/advisories
redhat.com / support/errata/RHSA-2004-019.html
PatchVendor Advisory
securityfocus.com / bid/9620
PatchVendor Advisory