Multiple format string vulnerabilities in the gm_main_window_flash_message function in Ekiga before 2.0.5 allow attackers to cause a denial
Multiple format string vulnerabilities in the gm_main_window_flash_message function in Ekiga before 2.0.5 allow attackers to cause a denial of service and possibly execute arbitrary code via a crafted Q.931 SETUP packet.
- Published
- Feb 19, 2007
- Updated
- Jun 16, 2026
- EPSS
- 3.7% · 89th percentile
- CWE
- CWE-134
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Report tools
Action score
41
Plan
Add it to your regular patch cycle.
- CVSS
- 40 / 40 · 10.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 3.7%
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 ekigaup to 2.0.4 inclusive
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Red Hat:enterprise_linux:5::client | ekiga | before 0:2.0.2-7.0.2 | 0:2.0.2-7.0.2 |
| Red Hat:enterprise_linux:5::client | ekiga-debuginfo | before 0:2.0.2-7.0.2 | 0:2.0.2-7.0.2 |
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-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-2007-4897pwlib, as used by Ekiga 2.0.5 and possibly other products, allows remote attackers to cause a denial of service (application crash) via a lo23Monitor
- 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 |
|---|---|---|
| red hat:ekiga | 0:2.0.2-7.0.2 · Red Hat:enterprise_linux:5::client | Package registry (OSV) |
| red hat:ekiga-debuginfo | 0:2.0.2-7.0.2 · Red Hat:enterprise_linux:5::client | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
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.
No dated events beyond publication.
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
- C · data can be read
- Integrity
- C · data or configuration can be modified
- Availability
- C · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- C
- Integrity impact
- C
- Availability impact
- C
Weakness class (CWE)
CWE-134 · Use of Externally-Controlled Format StringCVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
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.
Attack patterns (CAPEC)
ATT&CK techniques
—
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✗ → ✓
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References
- fedoranews.org/cms/node/2682
- fedoranews.org/cms/node/2683
- labs.musecurity.com/advisories/MU-200702-01.txt
- mail.gnome.org/archives/ekiga-list/2007-February/msg00060.html
- secunia.com/advisories/24194
- secunia.com/advisories/24228
- secunia.com/advisories/24229
- secunia.com/advisories/24271
- secunia.com/advisories/24379
- secunia.com/advisories/24680
- secunia.com/advisories/25119
- security.gentoo.org/glsa/glsa-200703-25.xml
- www.debian.org/security/2007/dsa-1262
- www.ekiga.org/index.php?rub=10&archive=1
- www.mandriva.com/security/advisories?name=MDKSA-2007:044
- www.novell.com/linux/security/advisories/2007_9_sr.html
- www.osvdb.org/31939
- www.redhat.com/support/errata/RHSA-2007-0087.html
- www.securityfocus.com/bid/22613
- www.securitytracker.com/id?1017673
Vendor advisories and official records. Exploit/PoC links are deliberately left out.