VULNERABILITY INTELLIGENCE

CVE-2011-4603

CVSS score5 MEDIUM
EPSS probability3.60%
CISA KEVNot currently listed
Published2011-12-17
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P

Description

The silc_channel_message function in ops.c in the SILC protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted message, a different vulnerability than CVE-2011-3594.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references