CVE-2007-5226
irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service ...
irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.
Exploit likelihood
What each source reports
NVD Score used
irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.
- Record
CVE-2007-5226- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.
- Record
CVE-2007-5226- Updated
- 2026-11-02
EUVDEUVD-2007-5206 No score
irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.
- Record
EUVD-2007-5206- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-74j2-36vh-4f5f No score
irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service ...
irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.
- Record
GHSA-74j2-36vh-4f5f- Weakness
- CWE-20
- Updated
- 2026-11-02
OSV No score
irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.
- Record
CVE-2007-5226- Updated
- 2026-11-02
OSVDEBIAN-CVE-2007-5226 No score
irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.
- Record
DEBIAN-CVE-2007-5226- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| affected, aliases, facts, references, title | GitHub Advisories, OSV | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-5226 is a medium vulnerability (CVSS 5.0) in Dircproxy, published October 5, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.69%, the 77th percentile. Fixed in dircproxy 1.0.5-5.1.