CVE-2011-4000
Buffer overflow in ChaSen 2.4.x allows remote attackers to execute arbitrary code via a crafted...
Buffer overflow in ChaSen 2.4.x allows remote attackers to execute arbitrary code via a crafted string.
Exploit likelihood
What each source reports
NVD Score used
Buffer overflow in ChaSen 2.4.x allows remote attackers to execute arbitrary code via a crafted string.
- Record
CVE-2011-4000- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Buffer overflow in ChaSen 2.4.x allows remote attackers to execute arbitrary code via a crafted string.
- Record
CVE-2011-4000- Updated
- 2026-11-02
EUVDEUVD-2011-3953 No score
Buffer overflow in ChaSen 2.4.x allows remote attackers to execute arbitrary code via a crafted string.
- Record
EUVD-2011-3953- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f89h-j7mp-m3pj No score
Buffer overflow in ChaSen 2.4.x allows remote attackers to execute arbitrary code via a crafted...
Buffer overflow in ChaSen 2.4.x allows remote attackers to execute arbitrary code via a crafted string.
- Record
GHSA-f89h-j7mp-m3pj- Weakness
- CWE-119
- Updated
- 2026-11-02
OSV No score
Buffer overflow in ChaSen 2.4.x allows remote attackers to execute arbitrary code via a crafted string.
- Record
CVE-2011-4000- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-4000 No score
Buffer overflow in ChaSen 2.4.x allows remote attackers to execute arbitrary code via a crafted string.
- Record
DEBIAN-CVE-2011-4000- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
chasenDebian:12 |
before 2.4.4-17 | 2.4.4-17 |
chasenDebian:13 |
before 2.4.4-17 | 2.4.4-17 |
chasenDebian:14 |
before 2.4.4-17 | 2.4.4-17 |
chasenDebian:6.0 |
before 2.4.4-11+squeeze2, plus listed versions 2.4.4-11 |
2.4.4-11+squeeze2 |
chasenDebian:5.0 |
before 2.4.4-2+lenny2, plus listed versions 2.4.4-22.4.4-2+lenny1 |
2.4.4-2+lenny2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4000 is a high vulnerability (CVSS 9.3) in Nara Institute Of Science And Technology Chasen, published November 8, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.15%, the 90th percentile. Fixed in chasen 2.4.4-17.
References
jvn.jp/en/jp/JVN16901583/index.html
hermes.opensuse.org/messages/13154862
jvndb.jvn.jp/jvndb/JVNDB-2011-000099
secunia.com/advisories/47458
nvd.nist.gov/vuln/detail/CVE-2011-4000
github.com/advisories/GHSA-f89h-j7mp-m3pj
security-tracker.debian.org/tracker/CVE-2011-4000