CVE-2016-4000
9.8
CRITICAL · CVSS 3.0 · EPSS 6.2% (pctl 93)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
Jython before 2.7.1rc1 allows attackers to execute arbitrary code via a crafted serialized PyFunction object.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 6.21% — more likely to be exploited than 93% of all CVEs |
| Weakness | CWE-502 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-07-06 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| debian | debian linux |
| jython project | jython |
References
- http://bugs.jython.org/issue2454
- http://www.debian.org/security/2017/dsa-3893
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.securityfocus.com/bid/105647
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864859
- https://hg.python.org/jython/file/v2.7.1rc1/NEWS
- https://hg.python.org/jython/rev/d06e29d100c0
- https://lists.apache.org/thread.html/0919ec1db20b1022f22b8e78f355667df74d6142b463ff17d03ad533%40%3Cdevnull.infra.apache.org%3E
- https://security-tracker.debian.org/tracker/CVE-2016-4000
- https://security.gentoo.org/glsa/201710-28
- https://snyk.io/vuln/SNYK-JAVA-ORGPYTHON-31451
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- http://bugs.jython.org/issue2454
- http://www.debian.org/security/2017/dsa-3893
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
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