CVE-2016-4000
Jython before 2.7.1rc1 allows attackers to execute arbitrary code via a crafted serialized PyFunction object.
02 Description
Jython before 2.7.1rc1 allows attackers to execute arbitrary code via a crafted serialized PyFunction object.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 6.20% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 93.1% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-07-06 16:00Z9 YR AGO
- Last updated
- 2024-08-06 00:17Z2 YR AGO
- Reserved
- 2016-04-12
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-502Deserialization of Untrusted DataBase
- Data version
- 5.1
- Document digest
- d78918f40e626a273e16626dfa95c3b4791aa066848457da883e27c422705d47
05 Affected products
06 References
- www.debian.orgDSA-3893http://www.debian.org/security/2017/dsa-3893
- security.gentoo.orgGLSA-201710-28https://security.gentoo.org/glsa/201710-28
- www.securityfocus.com105647http://www.securityfocus.com/bid/105647
- lists.apache.org[infra-devnull] 20190402 [GitHub] [flink] aloyszhang opened pull request #8100: [FLINK-12082] Bump up the jython-standalone versionhttps://lists.apache.org/thread.html/0919ec1db20b1022f22b8e78f355667df74d6142b463ff17d03ad533%40%3Cdevnull.infra.apache.org%3E
- www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2020.html
- www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- www.oracle.comhttps://www.oracle.com/security-alerts/cpujul2020.html
- www.oracle.comhttps://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- www.oracle.comhttps://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- www.oracle.comhttps://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- www.oracle.comhttps://www.oracle.com/security-alerts/cpujan2020.html
- security-tracker.debian.orghttps://security-tracker.debian.org/tracker/CVE-2016-4000
- hg.python.orghttps://hg.python.org/jython/rev/d06e29d100c0
- snyk.iohttps://snyk.io/vuln/SNYK-JAVA-ORGPYTHON-31451
- bugs.jython.orghttp://bugs.jython.org/issue2454
- hg.python.orghttps://hg.python.org/jython/file/v2.7.1rc1/NEWS
- bugs.debian.orghttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864859
07 Fixed in
Debian 12
- jython Fixed in 2.5.3-17
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- jython Fixed in 2.5.3-17
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- jython Fixed in 2.5.3-17
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- jython Fixed in 2.5.3-1ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- jython Fixed in 2.5.3-9ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.