CVE-2009-1789: n/a vulnerability

CVE-2009-1789: mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to caus...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 05:27 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2009-1789 is a remote crash issue in Eggdrop and Windrop IRC bot software version 1.6.19 and earlier. A malicious IRC message can terminate the bot process, disrupting automated moderation, notifications, or channel operations. The evidence points to denial of service, not data theft or code execution. Exposure is limited to organizations still running Eggdrop or Windrop 1.6.19 or earlier, especially bots connected to IRC networks where untrusted users can send messages that reach the vulnerable code path. Treat this as a targeted availability risk for legacy IRC automation. Prioritize remediation if the bot supports business operations, incident response channels, or public communities. It is less urgent than remote code execution, but public exploit availability raises operational risk. Mitigation focus: Upgrade Eggdrop or Windrop beyond 1.6.19, or use a vendor-patched package.; Review Debian, Fedora, Mandriva, or upstream Eggheads guidance for applicable fixed builds.; Restrict bot exposure to trusted IRC networks where operationally possible..

Prepared: Jun 28, 2026, 10:45 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: May 26, 2009, 16:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
eggdrop-servmsg-dos(50547)CVE reference · vdb-entry, x_refsource_XF
FEDORA-2009-5572CVE reference · vendor-advisory, x_refsource_FEDORA
8695CVE reference · exploit, x_refsource_EXPLOIT-DB
FEDORA-2009-5568CVE reference · vendor-advisory, x_refsource_FEDORA

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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