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Vulnerability record · CVE-2007-4897 · published 14 September 2007

CVE-2007-4897: Ekiga vulnerability

Ekiga · Ekiga

pwlib, as used by Ekiga 2.0.5 and possibly other products, allows remote attackers to cause a denial of service (application crash) via a long argument to the PString::vsprintf function, related to a "memory management flaw". NOTE: this issue was originally reported as being in the SIPURL::GetHostAddress function in Ekiga (formerly GnomeMeeting).

5.0 CVSS 2.0 Medium EPSS 11% · top 4.3% CWE-399 · CWE-399
5.0CVSS 2.0 base score
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
36References
16 Jun 2026Last modified by NVD

Description

pwlib, as used by Ekiga 2.0.5 and possibly other products, allows remote attackers to cause a denial of service (application crash) via a long argument to the PString::vsprintf function, related to a "memory management flaw". NOTE: this issue was originally reported as being in the SIPURL::GetHostAddress function in Ekiga (formerly GnomeMeeting).

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://blog.s21sec.com/2007/09/sobre-la-vulnerabilidad-del-ekiga.html
http://marc.info/?l=full-disclosure&m=118959114522339&w=2
http://openh323.cvs.sourceforge.net/openh323/opal/src/sip/sipcon.cxx?r1=2.120.2.25&r2=2.120.2.26&pathrev=v2_2_9
http://secunia.com/advisories/27127 Vendor Advisory
http://secunia.com/advisories/27150 Vendor Advisory
http://secunia.com/advisories/27518 Vendor Advisory
http://secunia.com/advisories/28385 Vendor Advisory
http://securityreason.com/securityalert/3138
http://www.mandriva.com/security/advisories?name=MDKSA-2007:206
http://www.redhat.com/support/errata/RHSA-2007-0932.html
http://www.s21sec.com/avisos/s21sec-036-en.txt
http://www.securityfocus.com/archive/1/479185/100/0/threaded
http://www.securityfocus.com/bid/25642
http://www.securitytracker.com/id?1018683
http://www.ubuntu.com/usn/usn-561-1
https://bugzilla.redhat.com/show_bug.cgi?id=292831
https://exchange.xforce.ibmcloud.com/vulnerabilities/36568
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10928
http://blog.s21sec.com/2007/09/sobre-la-vulnerabilidad-del-ekiga.html
http://marc.info/?l=full-disclosure&m=118959114522339&w=2
http://openh323.cvs.sourceforge.net/openh323/opal/src/sip/sipcon.cxx?r1=2.120.2.25&r2=2.120.2.26&pathrev=v2_2_9
http://secunia.com/advisories/27127 Vendor Advisory
http://secunia.com/advisories/27150 Vendor Advisory
http://secunia.com/advisories/27518 Vendor Advisory
http://secunia.com/advisories/28385 Vendor Advisory
http://securityreason.com/securityalert/3138
http://www.mandriva.com/security/advisories?name=MDKSA-2007:206
http://www.redhat.com/support/errata/RHSA-2007-0932.html
http://www.s21sec.com/avisos/s21sec-036-en.txt
http://www.securityfocus.com/archive/1/479185/100/0/threaded
http://www.securityfocus.com/bid/25642
http://www.securitytracker.com/id?1018683
http://www.ubuntu.com/usn/usn-561-1
https://bugzilla.redhat.com/show_bug.cgi?id=292831
https://exchange.xforce.ibmcloud.com/vulnerabilities/36568
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10928

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Related vulnerabilities

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

10.0CVE-2007-1007Ekiga vulnerabilityFormat string vulnerability in GnomeMeeting 1.0.2 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbit…EPSS 7.1%10.0CVE-2007-1006Ekiga vulnerabilityMultiple format string vulnerabilities in the gm_main_window_flash_message function in Ekiga before 2.0.5 allow attackers to cause a denial of servic…EPSS 3.7%8.8CVE-2011-1830Ekiga code injection vulnerabilityEkiga versions before 3.3.0 attempted to load a module from /tmp/ekiga_test.so.EPSS 0.79%5.0CVE-2012-5621Ekiga improper input validation vulnerabilitylib/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 wi…EPSS 2.8%5.0CVE-2007-4924Ekiga improper input validation vulnerabilityThe Open Phone Abstraction Library (opal), as used by (1) Ekiga before 2.0.10 and (2) OpenH323 before 2.2.4, allows remote attackers to cause a denia…EPSS 11%4.3CVE-2013-1864Opalvoip portable tool library memory buffer overflow vulnerabilityThe Portable Tool Library (aka PTLib) before 2.10.10, as used in Ekiga before 4.0.1, does not properly detect recursion during entity expansion, whic…EPSS 2.9%8.8CVE-2010-0806Microsoft Internet Explorer Peer Objects use-after-free allows remote code executionInternet Explorer 6, 6 SP1 and 7 contain a use-after-free in the Peer Objects component (iepeers.dll), where an object is accessed after deletion, le…KEVEPSS 82%analysed5.9CVE-2018-0180Cisco IOS Login Block feature denial-of-service via crafted login attemptsMultiple flaws in the Login Enhancements (Login Block) feature of Cisco IOS Software let an unauthenticated remote attacker trigger a reload of the d…KEVEPSS 4.9%analysed

Source: NIST National Vulnerability Database (record CVE-2007-4897), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.