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 lo
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).
- Published
- Sep 14, 2007
- Updated
- Jun 16, 2026
- EPSS
- 10.9% · 96th percentile
- CWE
- CWE-399
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Report tools
Action score
23
Monitor
Low priority for now.
- CVSS
- 20 / 40 · 5.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 3 / 30 · 10.9%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| ekiga | ekiga | cpe:2.3:a:ekiga:ekiga |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- ekiga ekiga2.0.5
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:5.0 | pwlib | before 1.10.7~dfsg1-4+lenny1 | 1.10.7~dfsg1-4+lenny1 |
| Debian:5.0 | pwlib-titan | before 1.11.2-1+lenny1 | 1.11.2-1+lenny1 |
| Red Hat:enterprise_linux:5::client_workstation | pwlib | before 0:1.10.1-7.0.1.el5 | 0:1.10.1-7.0.1.el5 |
| Red Hat:enterprise_linux:5::client_workstation | pwlib-debuginfo | before 0:1.10.1-7.0.1.el5 | 0:1.10.1-7.0.1.el5 |
| Red Hat:enterprise_linux:5::client_workstation | pwlib-devel | before 0:1.10.1-7.0.1.el5 | 0:1.10.1-7.0.1.el5 |
Same product
ekiga: all recordsOther highest-scoring records for the same primary product.
- CVE-2007-1007Format string vulnerability in GnomeMeeting 1.0.2 and earlier allows remote attackers to cause a denial of service (crash) and possibly exec42Plan
- CVE-2007-1006Multiple format string vulnerabilities in the gm_main_window_flash_message function in Ekiga before 2.0.5 allow attackers to cause a denial 41Plan
- CVE-2011-1830Ekiga attempts to dlopen /tmp/ekiga_test.so35Monitor
- CVE-2007-4924The 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 caus23Monitor
- CVE-2012-5621lib/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 conn21Monitor
- CVE-2013-1864The Portable Tool Library (aka PTLib) before 2.10.10, as used in Ekiga before 4.0.1, does not properly detect recursion during entity expans18Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:pwlib | 1.10.7~dfsg1-4+lenny1 · Debian:5.0 | Package registry (OSV) |
| debian:pwlib-titan | 1.11.2-1+lenny1 · Debian:5.0 | Package registry (OSV) |
| red hat:pwlib | 0:1.10.1-7.0.1.el5 · Red Hat:enterprise_linux:5::client_workstation | Package registry (OSV) |
| red hat:pwlib-debuginfo | 0:1.10.1-7.0.1.el5 · Red Hat:enterprise_linux:5::client_workstation | Package registry (OSV) |
| red hat:pwlib-devel | 0:1.10.1-7.0.1.el5 · Red Hat:enterprise_linux:5::client_workstation | Package registry (OSV) |
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Exploit-DB entry ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | dos | 2009-07-24 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- Published
- First PoC+678 d
- TodaySep 30, 2026+6956 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- P
Weakness class (CWE)
CWE-399 · Resource Management ErrorsCVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- secunia.com/advisories/27150
- blog.s21sec.com/2007/09/sobre-la-vulnerabilidad-del-ekiga.html
- marc.info/?l=full-disclosure&m=118959114522339&w=2
- openh323.cvs.sourceforge.net/openh323/opal/src/sip/sipcon.cxx?r1=2.120.2.25&r2=2.120.2.26&pathrev=v2_2_9
- secunia.com/advisories/27127
- secunia.com/advisories/27518
- secunia.com/advisories/28385
- securityreason.com/securityalert/3138
- www.mandriva.com/security/advisories?name=MDKSA-2007:206
- www.redhat.com/support/errata/RHSA-2007-0932.html
- www.s21sec.com/avisos/s21sec-036-en.txt
- www.securityfocus.com/archive/1/479185/100/0/threaded
- www.securityfocus.com/bid/25642
- www.securitytracker.com/id?1018683
- www.ubuntu.com/usn/usn-561-1
- bugzilla.redhat.com/show_bug.cgi?id=292831
- exchange.xforce.ibmcloud.com/vulnerabilities/36568
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10928
Vendor advisories and official records. Exploit/PoC links are deliberately left out.