CVE-2009-3615

The OSCAR protocol plugin in libpurple in Pidgin before 2.6.3 and Adium before 1.3.7 allows remote attackers to cause a denial of service (application crash) via crafted contact-list data for (1) ICQ and possibly (2) AIM, as demonstrated by the SIM IM client.

Published: 2009-10-20 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-3615 is rated Moderate Risk (44.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.66%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-3615

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 8.41% 2.66% -5.75%
2 2026-04-13 7.99% 8.41% +0.43%
3 2025-07-15 7.99%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-3615

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2009-3615

OS Trackers for CVE-2009-3615

vendor priority summary link
debian not yet assigned CVE-2009-3615 not yet assigned priority: Debian including 1 source packages (pidgin), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2009-3615
redhat medium https://access.redhat.com/security/cve/CVE-2009-3615
ubuntu low CVE-2009-3615 low priority: Ubuntu including 1 source packages (pidgin), 6 status rows across 6 suites (dapper, hardy, intrepid, jaunty, karmic, upstream): released 5, DNE 1. https://ubuntu.com/security/CVE-2009-3615

Affected software / configurations for CVE-2009-3615

Vendor Product Version Raw CPE
adium adium <= 1.3.6 cpe:2.3:a:adium:adium:*:*:*:*:*:*:*:*
adium adium 1.0 cpe:2.3:a:adium:adium:1.0:*:*:*:*:*:*:*
adium adium 1.0.1 cpe:2.3:a:adium:adium:1.0.1:*:*:*:*:*:*:*
adium adium 1.0.2 cpe:2.3:a:adium:adium:1.0.2:*:*:*:*:*:*:*
adium adium 1.0.3 cpe:2.3:a:adium:adium:1.0.3:*:*:*:*:*:*:*
adium adium 1.0.4 cpe:2.3:a:adium:adium:1.0.4:*:*:*:*:*:*:*
adium adium 1.0.5 cpe:2.3:a:adium:adium:1.0.5:*:*:*:*:*:*:*
adium adium 1.1 cpe:2.3:a:adium:adium:1.1:*:*:*:*:*:*:*
adium adium 1.1.1 cpe:2.3:a:adium:adium:1.1.1:*:*:*:*:*:*:*
adium adium 1.1.2 cpe:2.3:a:adium:adium:1.1.2:*:*:*:*:*:*:*
adium adium 1.1.3 cpe:2.3:a:adium:adium:1.1.3:*:*:*:*:*:*:*
adium adium 1.1.4 cpe:2.3:a:adium:adium:1.1.4:*:*:*:*:*:*:*
adium adium 1.2.7 cpe:2.3:a:adium:adium:1.2.7:*:*:*:*:*:*:*
adium adium 1.3 cpe:2.3:a:adium:adium:1.3:*:*:*:*:*:*:*
adium adium 1.3.1 cpe:2.3:a:adium:adium:1.3.1:*:*:*:*:*:*:*
adium adium 1.3.2 cpe:2.3:a:adium:adium:1.3.2:*:*:*:*:*:*:*
adium adium 1.3.3 cpe:2.3:a:adium:adium:1.3.3:*:*:*:*:*:*:*
adium adium 1.3.4 cpe:2.3:a:adium:adium:1.3.4:*:*:*:*:*:*:*
adium adium 1.3.5 cpe:2.3:a:adium:adium:1.3.5:*:*:*:*:*:*:*
pidgin pidgin <= 2.6.2 cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:*
pidgin pidgin 2.0.0 cpe:2.3:a:pidgin:pidgin:2.0.0:*:*:*:*:*:*:*
pidgin pidgin 2.0.1 cpe:2.3:a:pidgin:pidgin:2.0.1:*:*:*:*:*:*:*
pidgin pidgin 2.0.2 cpe:2.3:a:pidgin:pidgin:2.0.2:*:*:*:*:*:*:*
pidgin pidgin 2.1.0 cpe:2.3:a:pidgin:pidgin:2.1.0:*:*:*:*:*:*:*
pidgin pidgin 2.1.1 cpe:2.3:a:pidgin:pidgin:2.1.1:*:*:*:*:*:*:*
pidgin pidgin 2.2.0 cpe:2.3:a:pidgin:pidgin:2.2.0:*:*:*:*:*:*:*
pidgin pidgin 2.2.1 cpe:2.3:a:pidgin:pidgin:2.2.1:*:*:*:*:*:*:*
pidgin pidgin 2.2.2 cpe:2.3:a:pidgin:pidgin:2.2.2:*:*:*:*:*:*:*
pidgin pidgin 2.3.0 cpe:2.3:a:pidgin:pidgin:2.3.0:*:*:*:*:*:*:*
pidgin pidgin 2.3.1 cpe:2.3:a:pidgin:pidgin:2.3.1:*:*:*:*:*:*:*
pidgin pidgin 2.4.0 cpe:2.3:a:pidgin:pidgin:2.4.0:*:*:*:*:*:*:*
pidgin pidgin 2.4.1 cpe:2.3:a:pidgin:pidgin:2.4.1:*:*:*:*:*:*:*
pidgin pidgin 2.4.2 cpe:2.3:a:pidgin:pidgin:2.4.2:*:*:*:*:*:*:*
pidgin pidgin 2.4.3 cpe:2.3:a:pidgin:pidgin:2.4.3:*:*:*:*:*:*:*
pidgin pidgin 2.5.0 cpe:2.3:a:pidgin:pidgin:2.5.0:*:*:*:*:*:*:*
pidgin pidgin 2.5.1 cpe:2.3:a:pidgin:pidgin:2.5.1:*:*:*:*:*:*:*
pidgin pidgin 2.5.2 cpe:2.3:a:pidgin:pidgin:2.5.2:*:*:*:*:*:*:*
pidgin pidgin 2.5.3 cpe:2.3:a:pidgin:pidgin:2.5.3:*:*:*:*:*:*:*
pidgin pidgin 2.5.4 cpe:2.3:a:pidgin:pidgin:2.5.4:*:*:*:*:*:*:*
pidgin pidgin 2.5.5 cpe:2.3:a:pidgin:pidgin:2.5.5:*:*:*:*:*:*:*
pidgin pidgin 2.5.6 cpe:2.3:a:pidgin:pidgin:2.5.6:*:*:*:*:*:*:*
pidgin pidgin 2.5.7 cpe:2.3:a:pidgin:pidgin:2.5.7:*:*:*:*:*:*:*
pidgin pidgin 2.5.8 cpe:2.3:a:pidgin:pidgin:2.5.8:*:*:*:*:*:*:*
pidgin pidgin 2.5.9 cpe:2.3:a:pidgin:pidgin:2.5.9:*:*:*:*:*:*:*
pidgin pidgin 2.6.0 cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:*
pidgin pidgin 2.6.1 cpe:2.3:a:pidgin:pidgin:2.6.1:*:*:*:*:*:*:*

References for CVE-2009-3615

URL Tags
http://developer.pidgin.im/ticket/10481
http://developer.pidgin.im/viewmtn/revision/info/781682333aea0c801d280c3507ee25552a60bfc0
http://developer.pidgin.im/wiki/ChangeLog Patch
http://secunia.com/advisories/37017 Vendor Advisory
http://secunia.com/advisories/37072 Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2010:085
http://www.pidgin.im/news/security/?id=41 Vendor Advisory
http://www.securityfocus.com/bid/36719
http://www.vupen.com/english/advisories/2009/2949 Vendor Advisory
http://www.vupen.com/english/advisories/2009/2951 Vendor Advisory
http://www.vupen.com/english/advisories/2010/1020
https://exchange.xforce.ibmcloud.com/vulnerabilities/53807
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18388
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9414
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