CVE-2010-1666
Improper Restriction of Operations within the Bounds of a Memory Buffer in python-cjson
CVE-2010-1666 is a medium vulnerability (CVSS 6.8) in Dan Pascu Python-cjson, published July 2, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.67%, the 77th percentile. Fixed in python-cjson 1.0.5.1.
- Severity
- 6.8 MediumCVSS 2.0, NVD
- Exploit chance
- 1.67%EPSS, 77th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
1.0.5.1python-cjson +3 more
Description
Buffer overflow in Dan Pascu python-cjson 1.0.5, when UCS-4 encoding is enabled, allows context-dependent attackers to cause a denial of service (application crash) or possibly have unspecified other impact via vectors involving crafted Unicode input to the cjson.encode function.
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
python-cjsonPyPI | through 1.0.5 | 1.0.5.1 |
python-cjsonDebian:5.0 | before 1.0.5-1+lenny1, plus listed versions 1.0.5-1 | 1.0.5-1+lenny1 |
python-cjsonPyPI | before 1.0.5.1, plus listed versions 1.0.01.0.11.0.21.0.31.0.41.0.5 | 1.0.5.1 |
python-cjsonPyPI | before 1.1.0, plus listed versions 1.0.01.0.11.0.21.0.31.0.41.0.5 | 1.1.0 |
What each source reports
NVD Score used
Buffer overflow in Dan Pascu python-cjson 1.0.5, when UCS-4 encoding is enabled, allows context-dependent attackers to cause a denial of service (application crash) or possibly have unspecified other impact via vectors involving crafted Unicode input to the cjson.encode function.
- Record
CVE-2010-1666- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE ListNo score
Buffer overflow in Dan Pascu python-cjson 1.0.5, when UCS-4 encoding is enabled, allows context-dependent attackers to cause a denial of service (application crash) or possibly have unspecified other impact via vectors involving crafted Unicode input to the cjson.encode function.
- Record
CVE-2010-1666- Updated
- 2026-11-02
EUVDEUVD-2010-0029No score
Buffer overflow in Dan Pascu python-cjson 1.0.5, when UCS-4 encoding is enabled, allows context-dependent attackers to cause a denial of service (application crash) or possibly have unspecified other impact via vectors involving crafted Unicode input to the cjson.encode function.
- Record
EUVD-2010-0029- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cqmh-mpx2-g633
Improper Restriction of Operations within the Bounds of a Memory Buffer in python-cjson
Buffer overflow in Dan Pascu python-cjson 1.0.5, when UCS-4 encoding is enabled, allows context-dependent attackers to cause a denial of service (application crash) or possibly have unspecified other impact via vectors involving crafted Unicode input to the cjson.encode function.
- Record
GHSA-cqmh-mpx2-g633- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N - Weakness
- CWE-119
- Updated
- 2026-11-02
OSVGHSA-cqmh-mpx2-g633
Improper Restriction of Operations within the Bounds of a Memory Buffer in python-cjson
Buffer overflow in Dan Pascu python-cjson 1.0.5, when UCS-4 encoding is enabled, allows context-dependent attackers to cause a denial of service (application crash) or possibly have unspecified other impact via vectors involving crafted Unicode input to the cjson.encode function.
- Record
GHSA-cqmh-mpx2-g633- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N - Weakness
- CWE-119
- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11259-1No score
python36-python-cjson-1.2.2-2.5 on GA media
These are all security issues fixed in the python36-python-cjson-1.2.2-2.5 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11259-1- Updated
- 2026-11-02
OSVPYSEC-2010-30No score
Buffer overflow in Dan Pascu python-cjson 1.0.5, when UCS-4 encoding is enabled, allows context-dependent attackers to cause a denial of service (application crash) or possibly have unspecified other impact via vectors involving crafted Unicode input to the cjson.encode function.
- Record
PYSEC-2010-30- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.