CVE-2010-3495 json
Zope Object Database Denial of Service vulnerability
published 2010-10-19 16 y ago modified 2026-06-16 4 mo ago also GHSA-j6m4-frxh-p4x8 , PYSEC-2010-27 , EUVD-2010-0031
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- pypi zodb3 3.10.0a1, 3.10.0a2
Exploit prediction
1.34% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | zodb3 | <3.10.0a2 <3.10.0a1 |
3.10.0a2 3.10.0a1 |
Classification
- Weakness
-
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
References
-
bugs.python.org
/issue6706
web, patch
-
github.com
/zopefoundation/ZODB/commit/cfe16277ef1b5bb094dc79da50b0df1ee1537590
web
-
lists.opensuse.org
/opensuse-security-announce/2010-12/msg00006.html
vendor-advisory, web
-
secunia.com
/advisories/41755
third-party-advisory, web, vendor-advisory, advisory
-
openwall.com
/lists/oss-security/2010/09/11/2
mailing-list, web
-
bugs.launchpad.net
/zodb/+bug/135108
web
-
pypi.python.org
/pypi/ZODB3/3.10.0#id1
web
-
openwall.com
/lists/oss-security/2010/09/24/3
mailing-list, web
-
openwall.com
/lists/oss-security/2010/09/22/3
mailing-list, web
-
openwall.com
/lists/oss-security/2010/09/09/6
mailing-list, web
-
nvd.nist.gov
/vuln/detail/CVE-2010-3495
advisory
-
github.com
/pypa/advisory-database/tree/main/vulns/zodb3/PYSEC-2010-27.yaml
web
-
pypi.org
/project/ZODB3/3.10.0a2/#a2-2010-05-04
web
-
web.archive.org
/web/20111225005929/http://secunia.com/advisories/41755
web
-
github.com
/advisories/GHSA-j6m4-frxh-p4x8
advisory
Sources
- CVE List CVE-2010-3495
- GitHub Advisory GHSA-j6m4-frxh-p4x8
- NVD CVE-2010-3495
- OSV PYSEC-2010-27
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.