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CVE-1999-0004

18
FAUCET Score

CVE-1999-0004 is a buffer overflow vulnerability affecting the MIME processing components of several legacy email clients, including Solaris mailtool, Outlook, and versions of dtmail and pine. With a CVSS score of 5.0 (Medium), this flaw permits a remote, unauthenticated attacker to disrupt service availability via crafted email messages, although it does not compromise data confidentiality or integrity. Current intelligence indicates no active exploitation or publicly available exploit code in major frameworks, and the vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:hp:dtmail:*:*:*:*:*:*:*:*
4.02CPE matchmatch criteria
cpe:2.3:a:university_of_washington:pine:4.02:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:sco:unixware:7.0:*:*:*:*:*:*:*

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
2.82%
Probability of exploitation in next 30 days
EPSS Percentile
85.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0282 is in the 79th percentile among its peer group of 23,705 CVEs.

Social Chatter

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

Remediation records are not available for this CVE.

References

docs.microsoft.com / en-us/security-updates/securitybulletins/1998/ms98-008