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Case File

CVE-2009-1959

MEDIUM · CVSS 5 EPSS 8.38%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2009-06-08 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.0. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2009-1959
Severity
MEDIUM
CVSS
5
EPSS
8.38%

Original NVD Description

Off-by-one error in the event_wallops function in fe-common/irc/fe-events.c in irssi 0.8.13 allows remote IRC servers to cause a denial of service (crash) via an empty command, which triggers a one-byte buffer under-read and a one-byte buffer underflow.