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Vulnerability record · CVE-2012-5621 · published 29 September 2014

CVE-2012-5621: Ekiga improper input validation vulnerability

Ekiga · Ekiga

lib/engine/components/opal/opal-call.cpp in ekiga before 4.0.0 allows remote attackers to cause a denial of service (crash) via an OPAL connection with a party name that contains invalid UTF-8 strings.

5.0 CVSS 2.0 Medium EPSS 2.8% · top 14.2% CWE-20 · Improper input validation
5.0CVSS 2.0 base score
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

lib/engine/components/opal/opal-call.cpp in ekiga before 4.0.0 allows remote attackers to cause a denial of service (crash) via an OPAL connection with a party name that contains invalid UTF-8 strings.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://ftp.gnome.org/pub/gnome/sources/ekiga/4.0/ekiga-4.0.0.news
http://seclists.org/oss-sec/2012/q4/407
http://www.securityfocus.com/bid/56790
https://blogs.oracle.com/sunsecurity/entry/cve_2012_5621_denial_of
https://bugzilla.redhat.com/show_bug.cgi?id=883058 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/80640
https://git.gnome.org/browse/ekiga/commit/?id=7d09807257
https://lists.fedoraproject.org/pipermail/package-announce/2013-March/099554.html
http://ftp.gnome.org/pub/gnome/sources/ekiga/4.0/ekiga-4.0.0.news
http://seclists.org/oss-sec/2012/q4/407
http://www.securityfocus.com/bid/56790
https://blogs.oracle.com/sunsecurity/entry/cve_2012_5621_denial_of
https://bugzilla.redhat.com/show_bug.cgi?id=883058 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/80640
https://git.gnome.org/browse/ekiga/commit/?id=7d09807257
https://lists.fedoraproject.org/pipermail/package-announce/2013-March/099554.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-5621), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.