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{"acknowledgement": "Red Hat would like to thank Pidgin project for reporting this issue. Upstream acknowledges Diego Bauche Madero (IOActive) as the original reporter.", "affected_release": [{"advisory": "RHSA-2011:1820", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "pidgin-0:2.6.6-10.el4", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2011-12-14T00:00:00Z"}, {"advisory": "RHSA-2011:1820", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "pidgin-0:2.6.6-5.el5_7.4", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-12-14T00:00:00Z"}], "bugzilla": {"description": "pidgin: SILC remote crash on channel messages", "id": "766446", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=766446"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "verified"}, "details": ["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."], "name": "CVE-2011-4603", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "pidgin", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2011-12-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-4603\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4603"], "statement": "Not vulnerable. This issue did not affect the version of pidgin as shipped with Red Hat Enterprise Linux 6 as it explicitly disables support for the SILC protocol.", "threat_severity": "Moderate", "upstream_fix": "pidgin 2.10.1"}