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CVE-2007-4897

27
FAUCET Score

CVE-2007-4897 describes a denial-of-service vulnerability in pwlib, specifically affecting Ekiga 2.0.5 and potentially other products utilizing pwlib. A remote attacker can trigger an application crash by providing a long argument to the PString::vsprintf function, stemming from a memory management flaw. This vulnerability has a CVSS score of 5.0, indicating a medium severity with a network-based attack vector and low complexity, leading to a partial availability impact. While not actively exploited in the wild, an exploit proof-of-concept exists on ExploitDB, and there is minimal community discussion or media coverage surrounding this older vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.5CPE matchmatch criteria
cpe:2.3:a:ekiga:ekiga:2.0.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
10.90%
Probability of exploitation in next 30 days
EPSS Percentile
95.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-9241 · Jul 24, 2009
This CVE's current EPSS score of 0.1090 is in the 94th percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: pwlib-0:1.10.1-7.0.1.el5
View patch

Vendor Advisories (1)

redhatCVE-2007-4897Moderate

ekiga GetHostAddress remote DoS

Sep 12, 2007

References

blog.s21sec.com / 2007/09/sobre-la-vulnerabilidad-del-ekiga.html
marc.info
openh323.cvs.sourceforge.net / openh323/opal/src/sip/sipcon.cxx
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/27127
Vendor Advisory
secunia.com / advisories/27150
Vendor Advisory
secunia.com / advisories/27518
Vendor Advisory
secunia.com / advisories/28385
Vendor Advisory
securityreason.com / securityalert/3138
exchange.xforce.ibmcloud.com / vulnerabilities/36568
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10928
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2007-0932.html
s21sec.com / avisos/s21sec-036-en.txt
securityfocus.com / archive/1/479185/100/0/threaded
securityfocus.com / bid/25642
securitytracker.com / id
ubuntu.com / usn/usn-561-1