CVE-2010-3495
Zope Object Database Denial of Service vulnerability
Race condition in ZEO/StorageServer.py in Zope Object Database (ZODB) before 3.10.0 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the accept function having an unexpected return value of None, an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.
Exploit likelihood
What each source reports
NVD Score used
Race condition in ZEO/StorageServer.py in Zope Object Database (ZODB) before 3.10.0 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the accept function having an unexpected return value of None, an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.
- Record
CVE-2010-3495- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-362
- Updated
- 2026-11-02
CVE List No score
Race condition in ZEO/StorageServer.py in Zope Object Database (ZODB) before 3.10.0 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the accept function having an unexpected return value of None, an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.
- Record
CVE-2010-3495- Updated
- 2026-11-02
EUVDEUVD-2010-0031 No score
Race condition in ZEO/StorageServer.py in Zope Object Database (ZODB) before 3.10.0 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the accept function having an unexpected return value of None, an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.
- Record
EUVD-2010-0031- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j6m4-frxh-p4x8 No score
Zope Object Database Denial of Service vulnerability
Race condition in ZEO/StorageServer.py in Zope Object Database (ZODB) before 3.10.0a2 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the accept function having an unexpected return value of None, an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.
- Record
GHSA-j6m4-frxh-p4x8- Weakness
- CWE-362
- Updated
- 2026-11-02
OSVGHSA-j6m4-frxh-p4x8 No score
Zope Object Database Denial of Service vulnerability
Race condition in ZEO/StorageServer.py in Zope Object Database (ZODB) before 3.10.0a2 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the accept function having an unexpected return value of None, an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.
- Record
GHSA-j6m4-frxh-p4x8- Weakness
- CWE-362
- Updated
- 2026-11-02
OSVPYSEC-2010-27 No score
Race condition in ZEO/StorageServer.py in Zope Object Database (ZODB) before 3.10.0 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the accept function having an unexpected return value of None, an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.
- Record
PYSEC-2010-27- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
zodb3PyPI |
before 3.10.0a2 | 3.10.0a2 |
zodb3PyPI |
before 3.10.0a2, plus listed versions 3.1.53.10.0a13.2.103.3.13.4.2 Show 45 moreShow less3.5.03.5.13.6.03.7.03.7.23.8.03.8.0a13.8.0b13.8.0b23.8.0b33.8.0b43.8.0c13.8.13.8.1b13.8.1b23.8.1b33.8.1b43.8.1b53.8.1b63.8.1b73.8.1b83.8.1b93.8.23.8.33.8.3b13.8.43.8.53.8.63.9.03.9.0a13.9.0a103.9.0a113.9.0a123.9.0a23.9.0a33.9.0a43.9.0a53.9.0a63.9.0a73.9.0a93.9.0b13.9.0b23.9.0b33.9.0b43.9.0b5 |
3.10.0a2 |
zodb3PyPI |
before 3.10.0a1, plus listed versions 3.1.53.2.103.3.13.4.23.5.0 Show 45 moreShow less3.5.13.6.03.7.03.7.23.8.03.8.0a13.8.0b13.8.0b23.8.0b33.8.0b43.8.0c13.8.13.8.1b13.8.1b23.8.1b33.8.1b43.8.1b53.8.1b63.8.1b73.8.1b83.8.1b93.8.23.8.33.8.3b13.8.43.8.53.8.63.9.03.9.0a13.9.0a103.9.0a113.9.0a123.9.0a23.9.0a33.9.0a43.9.0a53.9.0a63.9.0a73.9.0a93.9.0b13.9.0b23.9.0b33.9.0b43.9.0b53.9.0c1 |
3.10.0a1 |
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-2010-3495 is a medium vulnerability (CVSS 4.3) in Zope Zodb, published October 19, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.35%, the 71st percentile. Fixed in zodb3 3.10.0a2.
References
openwall.com/lists/oss-security/2010/09/11/2
bugs.launchpad.net/zodb/+bug/135108
pypi.python.org/pypi/ZODB3/3.10.0
bugs.python.org/issue6706
Show 9 moreShow less
lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
secunia.com/advisories/41755
nvd.nist.gov/vuln/detail/CVE-2010-3495
pypi.org/project/ZODB3/3.10.0a2
web.archive.org/web/20111225005929/http://secunia.com/advisories/41755
github.com/zopefoundation/ZODB/commit/cfe16277ef1b5bb094dc79da50b0df1ee1537590
Left out here: 19 versions. The JSON record has them.