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CVE-2007-4643

15
FAUCET Score

CVE-2007-4643 describes an integer underflow vulnerability in Doomsday (aka deng) versions 1.9.0-beta5.1 and earlier, allowing remote attackers to trigger a denial of service by sending a specially crafted PKT_CHAT packet. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with a low attack complexity and the potential for a daemon crash. There is no public exploit code available, nor is there evidence of active exploitation, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.9.0_beta5.1CPE matchmatch criteria
cpe:2.3:a:doomsday:doomsday:*:*:*:*:*:*:*:*

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
2.15%
Probability of exploitation in next 30 days
EPSS Percentile
80.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0215 is in the 69th percentile among its peer group of 23,701 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

Remediation records are not available for this CVE.

References

aluigi.org / poc/dumsdei.zip
Exploit
bugs.gentoo.org / show_bug.cgi
secunia.com / advisories/26524
Vendor Advisory
secunia.com / advisories/28821
security.gentoo.org / glsa/glsa-200802-02.xml
securityreason.com / securityalert/3084
exchange.xforce.ibmcloud.com / vulnerabilities/36338
securityfocus.com / archive/1/478077/100/0/threaded
securityfocus.com / bid/25483
Exploit