Security readout for executives and security teams
Plain-English summary
This CVE is a zsh shell buffer overflow triggered by an unusually long file-descriptor value in a redirection syntax. The public bundle identifies zsh before 5.0.7 as affected, but does not provide CVSS, impact detail, or confirmed exploitation evidence.
Executive priority
Treat this as a maintenance and hygiene issue unless older zsh is present on multi-user or sensitive systems. Prioritize verification because severity and exploitation evidence are incomplete in the public bundle.
Technical view
The issue is in zsh exec.c before 5.0.7 and concerns handling of very long file descriptors in the ">& fd" syntax. The record describes a buffer overflow, with vendor advisories from Ubuntu and Red Hat, but no CWE, CVSS vector, or exploit status is provided.
Likely exposure
Exposure is most likely on Unix-like systems with zsh versions earlier than 5.0.7, including older distribution packages referenced by Ubuntu and Red Hat advisories. Risk depends on whether untrusted users or scripts can invoke zsh locally.
Exploitation context
The provided sources do not show active exploitation, and this CVE is not listed as KEV in the bundle. The description implies local or script-driven interaction with zsh syntax, but the bundle does not establish remote exploitability or privilege impact.
Researcher notes
Key gaps are missing CVSS, CWE, impact analysis, and exploitability detail. The strongest facts are the zsh before-5.0.7 affected range, buffer-overflow class, source commit reference, and Ubuntu/Red Hat advisory presence.
Mitigation direction
- Upgrade zsh to 5.0.7 or later where applicable.
- Apply distribution vendor updates from Ubuntu or Red Hat advisories.
- Inventory systems where zsh is installed as an interactive or script shell.
- Check vendor guidance for any distribution-specific remediation details.
Validation and detection
- Identify installed zsh versions across servers, workstations, and images.
- Flag any zsh package or custom build older than 5.0.7.
- Confirm Ubuntu and Red Hat hosts have received advisory-linked updates.
- Review scripts and login-shell usage where zsh is available to untrusted users.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2014-10071 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://sourceforge.net/p/zsh/code/ci/49a3086bb67575435251c70ee598e2fd406ef055CVE reference · x_refsource_MISC
- USN-3593-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- RHSA-2018:3073CVE reference · vendor-advisory, x_refsource_REDHAT
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.