CVE-2009-1789
MEDIUM · CVSS 4.3EPSS 8.5%EU EUVD
mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PRIVMSG that causes an empty string to trigger a negative string length copy. NOTE: this issue exists because of an incorrect fix for CVE-2007-2807.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P- EPSS score
- 8.5% (95th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-1784)
- Published
- May 26, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-1784 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop
- eggheads / eggdrop irc bot
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
- philip moore / windrop
References
- http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0129.html
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=528778
- http://cvs.eggheads.org/viewvc/viewvc.cgi/eggdrop1.6/doc/Changes1.6?revision=1.20&view=markup(Patch, Vendor Advisory)
- http://osvdb.org/54460
- http://secunia.com/advisories/35104(Vendor Advisory)
- http://secunia.com/advisories/35158
- http://secunia.com/advisories/35690
- http://www.debian.org/security/2009/dsa-1826
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:126
- http://www.securityfocus.com/archive/1/503574
- http://www.securityfocus.com/bid/34985
- http://www.vupen.com/english/advisories/2009/1340(Patch, Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50547
- https://www.exploit-db.com/exploits/8695
- https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01333.html
- https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01337.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain