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CVE-1999-0672

23
FAUCET Score

CVE-1999-0672 describes a buffer overflow vulnerability in the Fujitsu Chocoa IRC client, specifically affecting version 1.0 beta7R. This medium-severity flaw (CVSS 5.1) allows a remote unauthenticated attacker to execute arbitrary code or cause a denial of service by sending a specially crafted, excessively long IRC channel topic. While not listed on the KEV catalog or Hot List, public exploit code exists on ExploitDB, indicating its potential for exploitation. Despite this, there is no evidence of active exploitation, and it has received no community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.0beta7rCPE matchmatch criteria
cpe:2.3:a:fujitsu:chocoa:1.0beta7r:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.1MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.59%
Probability of exploitation in next 30 days
EPSS Percentile
73.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-19449 · Aug 3, 1999
This CVE's current EPSS score of 0.0159 is in the 48th percentile among its peer group of 19,956 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

securityfocus.com / bid/573