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CVE-2009-1789

mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote...

4.3 MediumPublic exploitFix available

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.

Exploit likelihood

8.49%Up 3.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

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.

Record
CVE-2009-1789
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2009-1789
Updated
2026-11-02
EUVDEUVD-2009-1784 No score

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.

Record
EUVD-2009-1784
Updated
2026-11-03
GitHub AdvisoriesGHSA-v2pc-r45v-vq4h No score

mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote...

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.

Record
GHSA-v2pc-r45v-vq4h
Updated
2026-11-02
OSV No score

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.

Record
CVE-2009-1789
Updated
2026-11-02
OSVDEBIAN-CVE-2009-1789 No score

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.

Record
DEBIAN-CVE-2009-1789
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
eggdrop
Debian:12
 before 1.6.19-1.2
1.6.19-1.2
eggdrop
Debian:13
 before 1.6.19-1.2
1.6.19-1.2
eggdrop
Debian:14
 before 1.6.19-1.2
1.6.19-1.2
eggdrop
Debian:4.0
 before 1.6.18-1etch2, plus listed versions
1.6.18-11.6.18-1etch1
1.6.18-1etch2
eggdrop
Debian:5.0
 before 1.6.19-1.1+lenny1, plus listed versions
1.6.19-1.1
1.6.19-1.1+lenny1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBEggdrop/Windrop 1.6.19 - ctcpbuf Remote Crash2009-05-15

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-1789 is a medium vulnerability (CVSS 4.3) in Eggheads Eggdrop, published May 26, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 8.49%, the 95th percentile. Fixed in eggdrop 1.6.19-1.2.

References

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